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EP2285901B1 - Biologisch abbaubare polyestermischungen - Google Patents

Biologisch abbaubare polyestermischungen Download PDF

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Publication number
EP2285901B1
EP2285901B1 EP09743045.8A EP09743045A EP2285901B1 EP 2285901 B1 EP2285901 B1 EP 2285901B1 EP 09743045 A EP09743045 A EP 09743045A EP 2285901 B1 EP2285901 B1 EP 2285901B1
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EP
European Patent Office
Prior art keywords
polymer
hydroxybutyrate
weight
content
pha
Prior art date
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EP09743045.8A
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English (en)
French (fr)
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EP2285901A1 (de
Inventor
Robert S. Whitehouse
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CJ CheilJedang Corp
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CJ CheilJedang Corp
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
    • C08K5/0083—Nucleating agents promoting the crystallisation of the polymer matrix
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/14—Macromolecular compounds according to C08L59/00 - C08L87/00; Derivatives thereof
    • C08L2666/18—Polyesters or polycarbonates according to C08L67/00 - C08L69/00; Derivatives thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]

Definitions

  • the invention relates to thermoplastics compositions that include blends of biodegradable polyesters with improved properties and processing characteristics, , articles produced using such blends (including films, fibers, molded goods such as containers and bottles), and methods of making such compositions.
  • Such compositions are particularly suitable for injection molding, blow molding, compression molding cast film, blown film, thermoforming, foaming, fiber extrusion and coating applications.
  • Biodegradable plastics are of increasing industrial interest as replacements for non-biodegradable plastics in a wide range of applications and in particular for packaging applications.
  • synthetic degradable polyesters with biologically produced polyesters, materials with improved properties and processing are obtained.
  • blends with faster crystallization rates increased rates at which the thermoplastic loses tackiness, as well as the increased mechanical strength of the resin during processing and increased strength of the finished thermoplastic product.
  • WO 2005/066256 A1 entitled “Nucleating agents” was published on 21 July 2005.
  • WO 99/23161 A2 entitled “Polymer blends containing polyhydroxyalkanoates and compositions with good retention of elongation", was published on 14 May 1999.
  • US 5,693,389 entitled “Polyester Composition”, was published on 2 December 1997.
  • compositions, articles and methods as defined in the attached claims.
  • blends of linear biologically-produced polyhydroxyalkanoates (PHAs) and biodegradable aromatic/aliphatic polyesters methods of making such compositions, and articles and pellets formed from such blends.
  • the biodegradable aromatic/aliphatic polyester is a co polymer of: i) at least one aliphatic dicarboxylic acid; and/or ii) at least one aromatic dicarboxylic acid; and iii) a dihydroxy compound.
  • the aliphatic dicarboxylic acid is a C 2 to C 12 alicphatic dicarboxylic acid such as, succinic acid, glutaric acid, dimethyl glutaric acid, adipic acid, sebacic acid or azelaic acid.
  • the aromatic dicarboxylic acid is terephthalic acid or naphthalene dicarboxylic acid.
  • Blends disclosed hereing may have one or more of the following advantages.
  • biodegradable aromatic/aliphatic polyesters and PHAs compositions are provided, which can modify the physical properties of both the biodegradable aromatic/aliphatic polyesters and the PHAs.
  • composition of PHAs and biodegradable aromatic/aliphatic polyesters which has a modified crystallization behavior and/or other improved physical properties, e.g., increased mechanical strength.
  • an improved method of fabricating a composition e.g., a composition comprising a PHA and at least one biodegradable aromatic/aliphatic polyester is provided.
  • articles that include a composition of PHAs and biodegradable aromatic/aliphatic polyesters are provided, which have improved physical and/or economic characteristics.
  • composition that includes a linear biologically-produced PHA, a biodegradable aromatic/aliphatic polyester, and a nucleating agent.
  • composition of a polymer resin pellet that includes a linear biologically-produced PHA, a biodegradable aromatic/aliphatic polyester, and a nucleating agent.
  • the biodegradable aromatic/aliphatic polyester can have a glass transition temperature (T g ) of about 0°C or less, of about -10°C or less, or of about -20°C or less.
  • T g glass transition temperature
  • the glass transition temperature is the temperature at which an amorphous solid, such as glass or a polymer, becomes brittle on cooling, or soft on heating.
  • the temperature of a polymer drops below its T g , it behaves in an increasingly brittle manner.
  • the biodegradable aromatic/aliphatic polyester is a polybutylene adipate-terephthalate.
  • the biodegradable aromatic/aliphatic polyester is polybutylene succinate.
  • the biodegradable aromatic/aliphatic polyester is a polybutylene succinate adipate.
  • the biodegradable aromatic/aliphatic polyester is a polyethylene terephthalate.
  • the polyethylene terephthalate is a co- monomer.
  • the co-monomer can be an ether or amide or aliphatic monomer.
  • the biodegradable aromatic/aliphatic polyester is a polybutylene adipate/terephthalate or a polymethylene adipate/terephthalate.
  • the PHA can include one or more of the following: poly-3-hydroxybutyrate (PHB), poly-3-hydroxyvalerate (PHV), poly-3-hydroxybutyrate-co-4-hydroxybutyrate (PHB4HB) having from about 2% to about 40% 4HB content, a mixture of PHB and PHB4HB, a mixture of poly-3-hydroxybutyrate and (poly(3-hydroxybutyrate-co-10-13%-poly(4-hydroxybutyrate) and (poly(3-hydroxybutyrate-co-26-3 5%-poly(4-hydroxybutyrate), poly-3-hydroxybutyrate-co-3-hydroxyvalerate (PHBV), a mixture of PHB and PHBV, poly-3-hydroxybutyrate-co-3-hydroxyhexanoate (PHBH) having from about 3% to 15% H content, a mixture of PHB and PHBH, or a mixture of PHB and poly-3-hydroxybutyrate-co-3-hydroxy-X,
  • PHB poly-3-hydroxybutyrate
  • the PHA can also include mixtures of any of these PHAs.
  • the PHA can have a glass transition temperature (Tg) of about 10°C or less, of about 0°C or less, or about -10°C or less.
  • the PHA can include a blend containing a first PHA having a glass transition temperature greater than about 0°C and a second PHA having a glass transition temperature less than or equal to about -15°C, where the first PHA and the second PHA are not miscible with each other.
  • the PHA can be a polymer comprising at least a first co-monomer and a second co-monomer and optionally a third co-monomer, and where the co-monomers are different from each other.
  • the first co-monomer is 3-hydroxybutyrate.
  • the PHA can include about 70 to about 98 percent by weight of 3-hydroxybutyrate.
  • the second co-monomer can be selected from the group consisting of 3-hydroxyvalerate, and 4-hydroxybutyrate.
  • the PHA can include from about 2 to about 12 percent by weight of 3-hydroxyvalerate or 4-hydroxybutyrate.
  • the PHA can include poly 3-hydroxybutyrate-co-3-hydroxyvalerate or poly 3-hydroxybutyrate-co-4-hydroxybutyrate.
  • the PHA can have a molecular weight ranging from about 200,000 Daltons to about 850,000 Daltons.
  • the polyhydroxyalkanoate can be selected from the group consisting of polyhydroxybutyrate, polyhydroxyvalerate, polyhydroxyhexanoate, polyhydroxybutyrate-co-polyhydroxyvalerate, and polyhydroxybutyrate-co-polyhydroxyhexanoate and combinations thereof.
  • the polyhydroxybutyrate can be poly(3-hydroxybutyrate).
  • the polyhydroxybutyrate can be poly(4-hydroxybutyrate).
  • the polyhydroxyalkanoate can be poly 3-hydroxybutyrate-co-4-hydroxybutyrate.
  • the 4-hydroxybutyrate can be present in the poly 3-hydroxybutyrate-co-4-hydroxybutyrate in a range of about 2% to about 40%.
  • the PHA can have a valerate content sufficient to provide a melting temperature greater than about 100°C and less than about 175°C, as measured by differential scanning calorimetry.
  • the PHA can be provided in raw form, or as processed resin.
  • the composition can have a melting temperature of about 175°C or less, as measured by differential scanning calorimetry.
  • from 5 to 95 percent by weight of the composition is biodegradable aromatic/aliphatic polyester.
  • from 10 to 50 percent by weight of the composition is biodegradable aromatic/aliphatic polyester.
  • the composition can include from about 10 to about 40 percent by weight of the biodegradable aromatic/aliphatic polyester (e.g., polyputylene adipate/terephthalate).
  • from 5 to 95 percent by weight of the composition is linear PHA.
  • from 50 to 90 percent by weight of the composition is linear PHA.
  • composition or pellet as disclosed herein or a composition or pellet made by any of the methods disclosed herein.
  • the article can be in the form of a film, sheet, molding, fiber, filament, rod, tube, bottle, or foam.
  • the biodegradable aromatic/aliphatic polyesters can be any such biodegradable polyester, and is biologically produced, or chemically synthesized.
  • the aromatic/aliphatic polyester can be a co polymer of: i) at least one aliphatic dicarboxylic acid; and/or ii) at least one aromatic dicarboxylic acid; and iii) a dihydroxy compound.
  • the polyesters can be made from fossil carbon (i.e ., a petroleum-based polymer, e.g ., synthetic polyesters such as, but not limited to, synthetic polyesters, e.g ., BIOMAX® (du Pont), ECOFLEX® (BASF), BIONELLE® (Showa Denko), TONE® (Dow Chemicals) CAPA® (Perstorp Ltd) or others), or made from biomass or renewable sources of carbon.
  • fossil carbon i.e ., a petroleum-based polymer, e.g ., synthetic polyesters such as, but not limited to, synthetic polyesters, e.g ., BIOMAX® (du Pont), ECOFLEX® (BASF), BIONELLE® (Showa Denko), TONE® (Dow Chemicals) CAPA® (Perstorp Ltd) or others
  • synthetic polyesters e.g ., BIOMAX® (du Pont), ECOFLEX® (BASF), BIONELLE® (Showa Denko), TONE®
  • thermoplastic compositions that include the biodegradable aromatic/aliphatic polyesters, which can be used to create a wide array of useful articles.
  • compositions and polymer blends described herein can be processed for making products using known methods for processing polymer compositions, including injection molding, compression molding, thermoforming, extrusion, casting and blowing.
  • a three step process is used comprising, melting, shaping and cooling. Variations on these steps are also used for generating desired products. Melting of the polymer or resins occurs at the temperature at which the polymer resin changes from a solid to liquid.
  • a polymer blend can be mixed and melted in an extruder and then molded and cooled to make a desired product.
  • the polyhydroxyalkanoates compositions used in the compositions and methods disclosed herein are linear polymers.
  • the PHAs can be a single polymer or a polymer blend.
  • PHAs are biological polyesters synthesized by a broad range of natural and genetically engineered bacteria as well as genetically engineered plant crops ( Braunegg et al., (1998), J. Biotechnology 65: 127-161 ; Madison and Huisman, 1999, Microbiology and Molecular Biology Reviews, 63: 21-53 ; Poirier, 2002, Progress in Lipid Research 41: 131-155 ).
  • Useful microbial strains for producing PHAs include Alcaligenes eutrophus (renamed as Ralstonia eutropha), Alcaligenes latus, Azotobacter , Aeromonas, Comamonas, Pseudomonads , and genetically engineered organisms including genetically engineered microbes such as Pseudomonas , Ralstonia and Escherichia coli.
  • a PHA is formed by enzymatic polymerization of one or more monomer units inside a living cell. Over 100 different types of monomers have been incorporated into the PHA polymers ( Steinbüchel and Valentin, 1995, FEMS Microbiol. Lett. 128; 219-228 .
  • Examples of monomer units incorporated in PHAs include 2-hydroxybutyrate, lactic acid, glycolic acid, 3-hydroxybutyrate (hereinafter referred to as HB), 3-hydroxypropionate (hereinafter referred to as 3HP), 3-hydroxyvalerate (hereinafter referred to as 3HV), 3-hydroxyhexanoate (hereinafter referred to as 3HH), 3-hydroxyheptanoate (hereinafter referred to as 3HHep), 3-hydroxyoctanoate (hereinafter referred to as 3HO), 3-hydroxynonanoate (hereinafter referred to as 3HN), 3-hydroxydecanoate (hereinafter referred to as 3HD), 3-hydroxydodecanoate (hereinafter referred to as 3HDd), 4-hydroxybutyrate (hereinafter referred to as 4HB), 4-hydroxyvalerate (hereinafter referred to as 4HV), 5-hydroxyvalerate (hereinafter referred to as 5HV), and 6-hydroxyhexanoate (hereinafter referred to as
  • a monomer, comonomer or polymer made by these processes may contain small amounts of other monomers, comonomers, or polymers, generally less than 1% by weight, due to its being made in a biological system.
  • a PHA can be a homopolymer (all monomer units are the same).
  • PHA homopolymers include poly 3-hydroxyalkanoates (e.g ., poly 3-hydroxypropionate (hereinafter referred to as P3HP), poly 3-hydroxybutyrate (hereinafter referred to as PHB) and poly 3-hydroxyvalerate), poly 4-hydroxyalkanoates (e.g ., poly 4-hydroxybutyrate (hereinafter referred to as P4HB), or poly 4-hydroxyvalerate (hereinafter referred to as P4HV)) and poly 5-hydroxyalkanoates (e.g ., poly 5-hydroxyvalerate (hereinafter referred to as P5HV)).
  • P3HP poly 3-hydroxypropionate
  • PHB poly 3-hydroxybutyrate
  • P4HV poly 4-hydroxyvalerate
  • P5HV poly 5-hydroxyalkanoates
  • the PHAs described above can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA can be a copolymer (contain two or more different monomer units) in which the different monomers are randomly distributed in the polymer chain.
  • PHA copolymers include poly 3-hydroxybutyrate-co-3-hydroxypropionate (hereinafter referred to as PHB3HP), poly 3-hydroxybutyrate-co-4-hydroxybutyrate (hereinafter referred to as PHB4HB), poly 3-hydroxybutyrate-co-4-hydroxyvalerate (hereinafter referred to as PHB4HV), poly 3-hydroxybutyrate-co-3-hydroxyvalerate (hereinafter referred to as PHB3HH) and poly 3-hydroxybutyrate-co-5-hydroxyvalerate (hereinafter referred to as PHB5HV).
  • PHB3HP poly 3-hydroxybutyrate-co-3-hydroxypropionate
  • PHB4HB poly 3-hydroxybutyrate-co-4-hydroxybutyrate
  • PHB4HV poly 3-hydroxybutyrate-co-4-hydroxyvalerate
  • PHB3HV
  • the PHAs copolymers described above can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • PHA copolymers having two different monomer units can have more than two different monomer units (e.g ., three different monomer units, four different monomer units, five different monomer units, six different monomer units)
  • An example of a PHA having 4 different monomer units would be PHB-co-3HH-co-3HO-co-3HD or PHB-co-3-HO-co-3HD-co-3HDd (these types of PHA copolymers are hereinafter referred to as PHB3HX).
  • the 3HB monomer is at least 70% by weight of the total monomers, such as 85% by weight of the total monomers, or greater than 90% by weight of the total monomers
  • the HX comprises one or more monomers selected from 3HH, 3HO, 3HD, 3HDd.
  • the PHAs copolymers described above can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • PHB copolymers The homopolymer (all monomer units are identical) PHB and 3-hydroxybutyrate copolymers (PHB3HP, PHB4HB, PHB3HV, PHB4HV, PHB5HV, PHB3HHP, hereinafter referred to as PHB copolymers) containing 3-hydroxybutyrate and at least one other monomer are of particular interest for commercial production and applications. It is useful to describe these copolymers by reference to their material properties as follows.
  • Type 1 PHB copolymers typically have a glass transition temperature (Tg) in the range of 6 °C to -10 °C, and a melting temperature T M of between 80°C to 180 °C.
  • Type 2 PHB copolymers typically have a Tg of -20 °C to-50°C and Tm of 55 °C to 90°C.
  • the PHAs copolymers described above in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • Type 1 PHB copolymers may have two monomer units with a majority of their monomer units being 3-hydroxybutyrate monomer by weight in the copolymer, for example, greater than 78% 3-hydroxybutyrate monomer.
  • PHB copolymers may be biologically produced from renewable resources and may be selected from the following group of PHB copolymers:
  • the PHB Type 1 and Type 2 copolymers described above can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHA Type 1 and Type 2 copolymers described above may be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • PHAs for use in the methods, compositions and pellets disclosed herein may be selected from: PHB or a Type 1 PHB copolymer; a PHA blend of PHB with a Type 1 PHB copolymer where the PHB content by weight of PHA in the PHA blend is in the range of 5% to 95% by weight of the PHA in the PHA blend; a PHA blend of PHB with a Type 2 PHB copolymer where the PHB content by weight of the PHA in the PHA blend is in the range of 5% to 95% by weight of the PHA in the PHA blend; a PHA blend of a Type 1 PHB copolymer with a different Type 1 PHB copolymer and where the content of the first Type 1 PHB copolymer is in the range of 5% to 95 % by weight of the PHA in the PHA blend; a PHA blend of a Type 1 PHB copolymer with a Type 2 PHA copolymer where the content of the Type 1 PHB copoly
  • the PHAs copolymers blends described above can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA in the compositions and methods disclosed herein can be a PHA blend.
  • the PHA blend of PHB with a Type 1 PHB copolymer can be a blend of PHB with PHBP where the PHB content in the PHA blend is in the range of 5% to 90 % by weight of the PHA in the PHA blend and the 3HP content in the PHBP is in the range of 7% to 15% by weight of the PHBP.
  • the PHA blend of PHB with a Type 1 PHB copolymer can be a blend of PHB with PHB3HV where the PHB content of the PHA blend is in the range of 5% to 90 % by weight of the PHA in the PHA blend and the 3HV content in the PHB3HV is in the range of 4% to 22% by weight of the PHBV.
  • the PHA blend of PHB with a Type 1 PHB copolymer can be a blend of PHB with PHB4HB where the PHB content of the PHA blend is in the range of 5% to 90 % by weight of the PHA in the PHA blend and the 4HB content in the PHB4HB is in the range of 4% to 15% by weight of the PHB4HB.
  • the PHA blend of PHB with a Type 1 PHB copolymer can be a blend of PHB with PHB4HV where the PHB content of the PHA blend is in the range of 5% to 90 % by weight of the PHA in the PHA blend and the 4HV content in the PHB4HV is in the range of 4% to 15% by weight of the PHB4HV.
  • the PHA blend of PHB with a Type 1 PHB copolymer can be a blend of PHB with PHB5HV where the PHB content of the PHA blend is in the range of 5% to 90 % by weight of the PHA in the PHA blend and the 5HV content in the PHB5HV is in the range of 4% to 15% by weight of the PHB5HV.
  • the PHA blend of PHB with a Type 1 PHB copolymer can be a blend of PHB with PHB3HH where the PHB content of the PHA blend is in the range of 5% to 90 % by weight of the PHA in the PHA blend and the 3HH content in the PHB3HH is in the range of 4% to 15% by weight of the PHB3HH
  • the PHA blend of PHB with a Type 1 PHB copolymer can be a blend of PHB with PHB3HX where the PHB content of the PHA blend is in the range of 5% to 90 % by weight of the PHA in the PHA blend and the 3HX content in the PHB3HX is in the range of 4% to 15% by weight of the PHB3HX.
  • the PHA blend can be a blend of a Type 1 PHB copolymer selected from the group PHBP, PHB4HB, PHBV, PHV4HV, PHB5HV, PHB3HH and PHB3HX with a second Type 1 PHB copolymer which is different from the first Type 1 PHB copolymer and is selected from the group PHBP, PHB4HB, PHBV, PHV4HV, PHB5HV, PHB3HH and PHB3HX where the content of the First Type 1 PHB copolymer in the PHA blend is in the range of 10% to 90 % by weight of the total PHA in the blend.
  • the PHA blend of PHB with a Type 1 PHB copolymer described in the paragraphs above can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • these PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA blend of PHB with a Type 2 PHB copolymer can be a blend of PHB with PHB4HB where the PHB content in the PHA blend is in the range of 30% to 95 % by weight of the PHA in the PHA blend and the 4HB content in the PHB4HB is in the range of 20% to 60% by weight of the PHB4HB.
  • the PHA blend of PHB with a Type 2 PHB copolymer can be a blend of PHB with PHB5HV where the PHB content in the PHA blend is in the range of 30% to 95 % by weight of the PHA in the PHA blend and the 5HV content in the PHB5HV is in the range of 20% to 60% by weight of the PHB5HV.
  • the PHA blend of PHB with a Type 2 PHB copolymer can be a blend of PHB with PHB3HH where the PHB content in the PHA blend is in the range of 35% to 95 % by weight of the PHA in the PHA blend and the 3HH content in the PHB3HH is in the range of 35% to 90% by weight of the PHB3HX.
  • the PHA blend of PHB with a Type 2 PHB copolymer can be a blend of PHB with PHB3HX where the PHB content in the PHA blend is in the range of 30% to 95 % by weight of the PHA in the PHA blend and the 3HX content in the PHB3HX is in the range of 35% to 90% by weight of the PHB3HX.
  • the PHA blend of PHB with a Type 2 PHB copolymer described above can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHA blend of PHB with a Type 2 PHB copolymer described in the paragraphs above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA blend can be a blend of PHB with a Type 1 PHB copolymer and a Type 2 PHB copolymer where the PHB content in the PHA blend is in the range of 10% to 90 % by weight of the PHA in the PHA blend, the Type 1 PHB copolymer content of the PHA blend is in the range of 5% to 90% by weight of the PHA in the PHA blend and the Type 2 PHB copolymer content in the PHA blend is in the range of 5% to 90% by weight of the PHA in the PHA blend.
  • blend of PHB with a Type 1 PHB copolymer and a Type 2 PHB copolymer described can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB3HV content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 3HV content in the PHB3HV is in the range of 3% to 22% by weight of the PHB3HV, and a PHBHX content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 3HX content in the PHBHX is in the range of 35% to 90% by weight of the PHBHX.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • these PHAs copolymers blends can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB3HV content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 3HV content in the PHB3HV is in the range of 3% to 22% by weight of the PHB3HV, and a PHB4HB content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 4HB content in the PHB4HB is in the range of 20% to 60% by weight of the PHB4HB.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB3HV content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 3HV content in the PHB3HV is in the range of 3% to 22% by weight of the PHB3HV, and a PHB5HV content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 5HV content in the PHB5HV is in the range of 20% to 60% by weight of the PHB5HV.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB4HB content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 4HB content in the PHB4HB is in the range of 4% to 15% by weight of the PHB4HB, and a PHB4HB content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 4HB content in the PHB4HB is in the range of 20% to 60% by weight of the PHB4HB.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or with polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB4HB content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 4HB content in the PHB4HB is in the range of 4% to 15% by weight of the PHB4HB, and a PHB5HV content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend and where the 5HV content in the PHB5HV is in the range of 30% to 90% by weight of the PHB5HV.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB4HB content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 4HB content in the PHB4HB is in the range of 4% to 15% by weight of the PHB4HB, and a PHB3HX content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend and where the 3HX content in the PHB3HX is in the range of 35% to 90% by weight of the PHB3HX.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB4HV content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 4HV content in the PHB4HV is in the range of 3% to 15% by weight of the PHB4HV, and a PHB5HV content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 5HV content in the PHB5HV is in the range of 30% to 90% by weight of the PHB5HV.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB3HH content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 3HH content in the PHB3HH is in the range of 3% to 15% by weight of the PHB3HH, and a PHB4HB content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 4HB content in the PHB4HB is in the range of 20% to 60% by weight of the PHB4HB.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB3HH content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 3HH content in the PHB3HH is in the range of 3% to 15% by weight of the PHB3HH, and a PHB5HV content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 5HV content in the PHB5HV is in the range of 20% to 60% by weight of the PHB5HV.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB3HH content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 3HH content in the PHB3HH is in the range of 3% to 15% by weight of the PHB3HH, and a PHB3HX content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 3HX content in the PHB3HX is in the range of 35% to 90% by weight of the PHB3HX.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB3HX content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 3HX content in the PHB3HX is in the range of 3% to 12% by weight of the PHB3HX, and a PHB3HX content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 3HX content in the PHB3HX is in the range of 35% to 90% by weight of the PHB3HX.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB3HX content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 3HX content in the PHB3HX is in the range of 3% to 12% by weight of the PHB3HX, and a PHB4HB content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 4HB content in the PHB4HB is in the range of 20% to 60% by weight of the PHB4HB.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • a PHA blend can have a PHB content in the PHA blend in the range of 10% to 90% by weight of the PHA in the PHA blend, a PHB3HX content in the PHA blend in the range 5% to 90% by weight of the PHA in the PHA blend, where the 3HX content in the PHB3HX is in the range of 3% to 12% by weight of the PHB3HX, and a PHB5HV content in the PHA blend in the range of 5% to 90% by weight of the PHA in the PHA blend where the 5HV content in the PHB5HV is in the range of 20% to 60% by weight of the PHB5HV.
  • the PHA blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA blend can be a blend as disclosed in U.S. Pub. App. No. 2004/0220355, by Whitehouse, published November 4, 2004 .
  • this PHA blend can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHA blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA can have a polystyrene equivalent weight average molecular weight (in daltons) of at least 500, at least 10,000, or at least 50,000 and/or less than 2,000,000, less than 1,000,000, less than 1,500,000, and less than 800,000.
  • the PHAs can have a weight-average molecular weight in the range of 100,000 to 700,000.
  • the molecular weight range for PHB and Type 1 PHB copolymers for use in this application are in the range of 400,000 daltons to 1.5 million daltons as determined by GPC method and the molecular weight range for Type 2 PHB copolymers for use in the application 100,000 to 1.5 million daltons.
  • the PHA is PHB or a Type 1 PHB copolymer such as PHBP, PHB4HB, PHB3HV, PHB4HV, PHB5HV, PHB3HH or PHB3HX and are blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA is PHB, PHB3HV where the 3HV content is in the range of 2% to 22% by weight of the polymer, PHB3HP where the 3HP content is in the range of 3% to 15% by weight of the polymer, PHB4HB where the 4HB content is in the range of 3% to 15% by weight of the polymer, PHB4HV where the 4HV content is in the range of 3% to 15% by weight of the polymer, PHB3HH where the 3HH content is in the range of 3% to 15% by weight of the polymer or PHB3HX where the 3HX content is in the range of 3% to 12% by weight of the polymer.
  • the percent range indicated is the percent weight of monomer relative to the total weight of the polymer.
  • the PHA in PHB4HB with 3% to 15% 4HB content, 3% to 15 % of the total PHB4HB polymer weight is 4-hydroxybutyrate.
  • the PHA can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • PHA is PHB blended with a Type 1 PHB copolymer selected from the group: PHB3HV where the 3HV content is in the range of 2% to 22% by weight of the polymer, PHB3HP where the 3HP content is in the range of 3% to 15% by weight of the polymer, PHB4HB where the 4HB content is in the range of 3% to 15% by weight of the polymer, PHB4HV where the 4HV content is in the range of 3% to 15% by weight of the polymer, PHB3HH where the 3HH content is in the range of 3% to 15% by weight of the polymer or PHB3HX where the 3HX content is in the range of 3% to 12% by weight of the polymer.
  • PHB3HV where the 3HV content is in the range of 2% to 22% by weight of the polymer
  • PHB3HP where the 3HP content is in the range of 3% to 15% by weight of the polymer
  • PHB4HB where the 4HB content is in the range of 3% to
  • these PHAs described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHA blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA blend is PHB blended with a Type 2 PHB copolymer selected from the group: PHB4HB where the 4HB content is in the range of 20% to 60% by weight of the polymer, PHB3HH where the 3HH content is in the range of 35% to 90% by weight of the polymer, PHB5HV where the 5HV content is in the range 20% to 60% by weight of the copolymer or PHB3HX where the 3HX content is in the range of 30% to 90% by weight of the copolymer.
  • PHB4HB where the 4HB content is in the range of 20% to 60% by weight of the polymer
  • PHB3HH where the 3HH content is in the range of 35% to 90% by weight of the polymer
  • PHB5HV where the 5HV content is in the range 20% to 60% by weight of the copolymer
  • PHB3HX where the 3HX content is in the range of 30% to 90% by weight of the copolymer.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA blend is: a) PHB blended with b) a PHB4HB with a 5% to 15% 4HB content; a) PHB blended with b) a PHB3HV with a 5% to 22% 3HV content; a) PHB blended with b) a PHB3HH with a 3% to 15% 3HH content; a) PHB blended with b) a PHB3HX with a 3% to 12% 3H content; a) PHB blended with b) a PHB5HV with a 3% to 15% 5HV content; a) a PHB4HB with a 5% to 15% 4HB content blended with b) a PHB3HV) with a 5% to 22% 3HVcontent; a) a PHB4HB with 5% to 15% 4HB content blended with b) a PHB3HH with a 3% to 15% 3HHcontent or a) a PHB3HV with a 5% to 22% 3HVcontent
  • these PHAs described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA blend is: a) PHB blended with b) a PHB4HB and the weight of polymer a) is 5% to 95% of the combined weight of polymer a) and polymer b); a) PHB blended with b) a PHB3HV and the weight of polymer a) is 5% to 95% of the combined weight of polymer a) and polymer b); a) PHB blended to with b) PHB3HH and the weight of polymer a) is 5% to 95% of the combined weight of polymer a) and polymer b); a) PHB4HB blended with b) a PHB3HV and the weight of polymer a) is 5% to 95% of the combined weight of polymer a) and polymer b); a) a PHB4HB blended with b) a PHB3HH and the weight of polymer a) is 5% to 95% of the combined weight of polymer a) and polymer b); a) a P
  • these PHAs described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA blend is: a) PHB blended with b) a PHB4HB with a 20-60% 4-HB content; a) PHB blended with b) a PHB5HV with a 20% to 60% 5HH content; a) PHB blended with b) a PHB3HH having a 35%-95% 3-HH content; a) PHB4HB with a 3% to 15% 4HB content blended with b) a PHB4HB with a 20-60% 4HB; a) PHB4HB with a 3% to 15% 4-hydroxybutyrate content blended with b) aPHB5HV with a 20% to 60% 5HV content; a) a PHB4HB with 3% to 15% 4HB content blended with b) a PHB3HX having a 30%-90% 3HX content; a) a PHB3HVwith a 3% to 22% 3HV content blended with b) PHB4HB with a 20-60% 4HB content; a
  • the PHAs blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA blend is: PHB blended with a Type 1 PHB copolymer and a Type 2 PHB copolymer where the PHB content in the PHA blend is in the range of 10% to 90 % by weight of the PHA in the PHA blend, the Type 1 PHB copolymer content of the PHA blend is in the range of 5% to 90% by weight of the PHA in the PHA blend and the Type 2 PHB copolymer content in the PHA blend is in the range of 5% to 90% by weight of the PHA in the PHA blend.
  • the PHAs blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the copolymer blend comprises polymer a) and polymer b), wherein the weight of polymer a) is 20 % to 60% of the combined weight of polymer a) and polymer b) and the weight of polymer b is 40% to 80% of the combined weight of polymer a) and polymer b).
  • the PHAs blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA blends described herein (e.g., blends comprising polymer a) and polymer b) or which otherwise describe two polymer components) comprise a third polymer, polymer c) which is a PHB4HB with a 20% to 60% 4HB content.
  • the PHAs blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA blends described herein (e.g., blends comprising polymer a) and polymer b) or which otherwise describe two polymer components) comprise a third polymer, polymer c) which is a PHB5HV with a 20% to 60% 5HV content.
  • the PHAs blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalateor polyethylene succinate terephthalate.
  • the PHA blends described herein (e.g., blends comprising polymer a) and polymer b) or which otherwise describe two polymer components) comprise a third polymer, polymer c) which is a PHB3HH with a 5% to 50% 3HH content.
  • the PHAs blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalateor polyethylene succinate terephthalate.
  • the PHA copolymer blend comprises polymer a), polymer b) and polymer c).
  • the weight of polymer c) is 5% to 95% of the combined polymer weight of polymer a), polymer b) and polymer c).
  • the weight of polymer c) is 5% to 40% of the combined polymer weight of polymer a), polymer b) and polymer c).
  • the PHAs blends described in this paragraph can be blended with biodegradable aromatic/aliphatic polyesters described below.
  • the PHAs copolymers blends described above can be combined with polybutylene adipate terephthalate, polyethylene adipate terephthalate, polybutylene succinate terephthalate or polyethylene succinate terephthalate.
  • the PHA can be poly(3-hydroxybutyrate), or poly(4-hydroxybutyrate).
  • the PHA can be poly(3-hydroxybutyrate), mixed with poly(4-hydroxybutyrate), or poly(3-hydroxybutyrate), mixed with poly(3-hydroxybutyrate-co-poly(4-hydroxybutyrate), for instance about 10% to about 80% poly(3-hydroxybutyrate), mixed with about 10% to about 90% poly(3-hydroxybutyrate-co-poly(4-hydroxybutyrate).
  • the poly(4-hydroxybutyrate) component in the poly(3-hydroxybutyrate-co-poly(4-hydroxybutyrate) copolymer can be about 5% to about 50%. For instance, it can be about 10% to about 15%, or it can be about 25% to about 35%.
  • the PHA can be about 20% poly(3-hydroxybutyrate), mixed with about 80% (poly(3-hydroxybutyrate-co-11%-poly(4-hydroxybutyrate).
  • the PHA can also be about 60% poly(3-hydroxybutyrate), mixed with about 40% (poly(3-hydroxybutyrate-co-11%-poly(4-hydroxybutyrate).
  • the PHA can also be about 12% poly(3-hydroxybutyrate), mixed with about 48% (poly(3-hydroxybutyrate-co-11%-poly(4-hydroxybutyrate), and about 40% (poly(3-hydroxybutyrate-co-28%-poly(4-hydroxybutyrate).
  • the PHA can also be about 36% poly(3-hydroxybutyrate), mixed with about 24% (poly(3-hydroxybutyrate-co-11%-poly(4-hydroxybutyrate), and about 40% (poly(3-hydroxybutyrate-co-28%-poly(4-hydroxybutyrate).
  • the PHA can also be a poly(3-hydroxybutyrate), mixed with about 3% to about 22% poly(3-hydroxyvalerate).
  • Aromatic polyesters which are not biodegradable, are synthesized by the polycondensation of aliphatic diols and aromatic dicarboxylic acids.
  • the aromatic ring is resistant to hydrolysis, preventing biodegradability.
  • Polyethylene terephthalate (PET) and polybutylene terephthalate (PBT) are formed by the polycondensation of aliphatic glycols and terephthalic acid.
  • PET polyethylene terephthalate
  • PBT polybutylene terephthalate
  • the biodegradability of aromatic polyesters can be modified by the addition of monomers that are not resistant to hydrolysis, aliphatic diol or diacid groups. The addition of such hydrolysis-sensitive monomers creates weak spots for hydrolysis to occur.
  • Aromatic/aliphatic polyesters are also made by polycondensation of aliphatic diols, but with a mixture of aromatic and aliphatic dicarboxylic acids.
  • modification of PBT by addition of aliphatic dicarboxylic acids can produce polybutylene succinate terephthalate (PBST) (butane diol as the aliphatic diol and succinic and terephthalic acid).
  • PBST polybutylene succinate terephthalate
  • Another example is the family of polyesters sold under the trade name BiomaxTM (du Pont), the members of which are polymerized from PET and a variety of aliphatic acid monomers such as dimethylglutarate and diethylene glycol.
  • butanediol is the diol, and the acids are adipic and terephthalic acids.
  • Commercial examples include Ecoflex (BASF) and Eastar Bio (Novamont). Ecoflex has a melt temperature (Tm) of about 110°C to about 120°C, as measured by differential scanning calorimetry (DSC).
  • Tm melt temperature
  • DSC differential scanning calorimetry
  • the biodegradable polymers described in U.S. Patent Nos. 6,018,004 ; 6,114,042 ; 6,201,034 ; and 6,303,677 can be used in the compositions and methods described herein.
  • Biodegradable polymers therefore include polyesters containing aliphatic components.
  • polyesters include ester polycondensates containing aliphatic constituents or poly(hydroxycarboxylic) acids.
  • the ester polycondensates include diacids/diol aliphatic polyesters such as polybutylene succinate, polybutylene succinate co-adipate, aliphatic/aromatic polyesters such as terpolymers made of butylenes diol, adipic acid and terephtalic acid.
  • biodegradable aromatic/aliphatic polyesters therefore include, but are not limited to, various copolyesters of PET and PBT with aliphatic diacids or diols incorporated into the polymer backbone to render the copolyesters biodegradable or compostable; and various aliphatic polyesters and copolyesters derived from dibasic acids, e.g., succinic acid, glutaric acid, adipic acid, sebacic acid, azealic acid, or their derivatives (e.g., alkyl esters, acid chlorides, or their anhydrides) and dihydroxy compounds (diols) such as C 2 -C 6 alkanediols and C 5 -C 10 cycloalkanediols, such as ethylene glycol, propylene glycol, 1,4-butanediol, 1,6 hexanediol.
  • dibasic acids e.g., succinic acid, glutaric acid
  • the diol is 1,4 cyclohexanedimethanol.
  • the dihydroxy compound is ethylene glycol, or 1,4-butanediol. Biodegradable diols are preferred in certain disclosures.
  • Examples of a suitable commercially available diacid/diol aliphatic polyesters are-the polybutylene succinate (PBS) and polybutylene succinate/adipate (PBSA) copolymers BIONOLLE 1000 and BIONOLLE 3000 from the Showa High Polymer Company, Ltd. (Tokyo, Japan).
  • An example of a suitable commercially available aromatic/aliphatic copolyester is the poly(tetrabutylene adipate-co-terephthalate) sold as EASTAR BIO Copolyester from Novamont, formerly Eastman Chemical or ECOFLEX from BASF.
  • carprolactone polyesters e . g ., CAPA® polyesters (produced by Perstorp, formerly from Solvay or TONE polyesters produced by Dow Chemical)
  • CAPA® polyesters produced by Perstorp, formerly from Solvay or TONE polyesters produced by Dow Chemical
  • the poly(hydroxycarboxylic) acids for use in the methods and compositions disclosed herein include lactic acid based homopolymers and copolymers, polyhydroxybutyrate (PHB), or other polyhydroxyalkanoate homopolymers and copolymers.
  • PHB polyhydroxybutyrate
  • Such polyhydroxyalkanoates include copolymers of PHB with higher chain length monomers, such as C 6 -C 12 , and higher.
  • the biodegradable aromatic/aliphatic polyester can be a co-polyester. It can also itself be a blend of such polyesters or co-polyesters.
  • Branching can be introduced into the aromatic/aliphatic polyesters to produce "high melt strength" having desired processability properties.
  • Branching introduces side chains attached to the molecular chain backbones.
  • the branches can vary in length and number. Branching can be accomplished by various methods known in the art. For example, branching can be introduced by the use of isocyanate compound, as described in U.S. Patent No. 6,114,042 assigned to BASF.
  • Melt strength is a measure of the elongational viscosity of polymer melt. It represents the maximum tension that can be applied to the melt without rupture or tearing. Usually a capillary viscometer is used to extrude a polymer stand and the strand is pulled till rupture by a pair of rollers.
  • PHAs and biodegradable aromatic/aliphatic polyesters can be combined to make blends of the polymers.
  • the blend is homogeneous.
  • the amount of PHA in the overall blend is 5 to 95% by weight of the total polymer blend.
  • the selection and amount of each polymer will effect the softness, stiffness, texture, toughness, and other properties of the final product as will be understood by those of ordinary skill in the art.
  • the PHA component is present in the blend in an amount of from 5% to 95%, such as from about 10% to about 50%, by total weight of the total polymer components of the composition.
  • the amount of PHA in the overall blend can be about 1% by weight, about 5%, about 10%, about 15%, about 20%, about 25%, about 30%, about 35%, about 40%, about 45%, about 50%, about 55%, about 60%, about 65%, about 70%, about 75%, about 80%, about 85%, about 90%, about 95%, or about 99% by weight.
  • the selection and amount of each polymer will effect the softness, stiffness, texture, toughness, and other properties of the final product as will be understood by those of ordinary skill in the art.
  • the PHA component is present in the blend in an amount of from about 10% to 95%, such asfrom about 15% to about 85%, or from about 20% to about 80%, by total weight of the total polymer components.
  • Each polymer component can contain a single polymer species or a blend of two or more species.
  • a PHA component can in turn be a blend of PHA species as described above.
  • the biodegradable aromatic/aliphatic polyester component can be a mixture or blend of more than one biodegradable aromatic/aliphatic polyester.
  • the biodegradable aromatic/aliphatic polyester can include aluminum hydroxy diphosphate and a carboxylate salt.
  • PHA polyesters with higher levels of crystallinity may be useful in connection with the present disclosure, for example, the homopolymer PHB, the copolymer PHBV with 3HV levels of from 3% to 25%, copolymers PHB3HP with 3HP levels of 3 to 10%, PHBH with 3HH levels from 3 to 20%.
  • the PHB homopolymer or copolymers of 3HB with low levels of copolymers such as 3HP, 3HH, 4HB, 4HV of between 3 and 10% may also be useful.
  • the PHA copolymer is isodimorphic, as is the case with the 3HV comonomer, then a 3HV content of between 3 and 25% is preferred.
  • thermoplastic compositions are well known to those of skill in the art, and skilled practitioners will appreciate that the biodegradable blends of the present disclosure can be used in a wide range of applications and further, as is known to skilled practitioners, can contain one or more additive, e.g ., a plasticizer, nucleating agent, filler, antioxidant, ultraviolet stabilizer, lubricant, slip/antiblock, pigment, flame retardant, reinforcing, mold release, and/or antistatic agent.
  • additive e.g ., a plasticizer, nucleating agent, filler, antioxidant, ultraviolet stabilizer, lubricant, slip/antiblock, pigment, flame retardant, reinforcing, mold release, and/or antistatic agent.
  • the biodegradable blend compositions described in the present disclosure can be produced using any art-known method that includes adding a biodegradable aromatic/aliphatic polyesters to a thermoplastic.
  • the biodegradable aromatic/aliphatic polyesters can be added to a thermoplastic as a dry biodegradable aromatic/aliphatic polyesters composition and/or as a biodegradable aromatic/aliphatic polyesters formulation.
  • thermoplastic composition includes other additives, e.g ., a plasticizers, nucleating agent, filler, antioxidant, ultraviolet stabilizer, lubricant, slip/antiblock, pigments, flame retardant, reinforcing agent, mold release agent, and/or antistatic agent.
  • additives e.g ., a plasticizers, nucleating agent, filler, antioxidant, ultraviolet stabilizer, lubricant, slip/antiblock, pigments, flame retardant, reinforcing agent, mold release agent, and/or antistatic agent.
  • a biodegradable aromatic/aliphatic polyesters can be included in a thermoplastic composition such that the polymeric portion of the composition contains about 5% to about 95%, e.g ., about 5% to about 90%, about 20% to about 80% biodegradable aromatic/aliphatic polyesters, based on the total weight of the composition.
  • the polymeric portion of the composition contains about 1% to about 10%, e.g ., about 1% to about 5% biodegradable aromatic/aliphatic polyesters.
  • the nucleating agent for use in the compositions and methods disclosed herein can be a milled nucleating agent as described in PCT/US2009/041023.filed April 17, 2009 . Briefly, the nucleating agent is milled in a liquid carrier until at least 5% of the cumulative solid volume of the nucleating agent exists as particles with a particle size of 5 microns or less. The liquid carrier allows the nucleating agent to be wet milled.
  • the nucleating agent is milled in liquid carrier until at at least 10% of the cumulative solid volume, at least 20% of the cumulative solid volume, at least 30% or at least 40%-50% of the nucleating agent can exist as exists as particles with a particle size of 5 microns or less, 2 microns or less or 1 micron or less.
  • the nucleating agents can be milled by other methods, such as jet milling. Additionally, other methods can be utilized that reduce the particle size.
  • the cumulative solid volume of particles is the combined volume of the particles in dry form in the absence of any other substance.
  • the cumulative solid volume of the particles can be determined by determining the volume of the particles before dispersing them in a polymer or liquid carrier by, for example, pouring them dry into a graduated cylinder or other suitable device for measuring volume. Alternatively, cumulative solid volume is determined by light scattering.
  • the amount of nucleating agent in liquid carrier is from 5% to 50% by weight of the nucleating agent-liquid carrier composition, such as from 20% to 45% by weight, 30% to 40% by weight, or 40% by weight of the combined weight of the nucleating agent and liquid carrier.
  • nucleating agent Once the nucleating agent has been wet milled in the liquid carrier, an appropriate amount of the liquid carrier plus nucleating agent is then added to the polymer to be processed.
  • nucleant and liquid carrier ratio One of ordinary skill in the art of polymer compounding can therefore plan the nucleant and liquid carrier ratio to suit their specific needs, knowing by experience what amount of nucleant and liquid carrier (i.e ., plasticizer, surfactant, lubricant) are appropriate to use.
  • the nucleating agent can be selected from: cyanuric acid, carbon black, mica talc, silica, boron nitride, clay, calcium carbonate, synthesized silicic acid and salts, metal salts of organophosphates, and kaolin.
  • the nucleating agent is cyanuric acid.
  • the liquid carrier can be a plasticizer, e.g ., a citric compound or an adipic compound, e.g., acetylcitrate tributyrate (Citroflex A4, Vertellus, Inc., High Point, N.C.), or DBEEA (dibutoxyethoxyethyl adipate), a surfactant, e.g ., Triton X-100, TWEEN-20, TWEEN-65, Span-40 or Span 85, a lubricant, a volatile liquid, e.g ., chloroform, heptane, or pentane, a organic liquid or water.
  • a plasticizer e.g ., a citric compound or an adipic compound, e.g., acetylcitrate tributyrate (Citroflex A4, Vertellus, Inc., High Point, N.C.), or DBEEA (dibutoxy
  • the nucleating agent is aluminum hydroxy diphosphate or a compound comprising a nitrogen-containing heteroaromatic core.
  • the nitrogen-containing heteroaromatic core can be pyridine, pyrimidine, pyrazine, pyridazine, triazine, or imidazole.
  • Nucleating agents for various polymers are simple substances, metal compounds including composite oxides, for example, carbon black, calcium carbonate, synthesized silicic acid and salts, silica, zinc white, clay, kaolin, basic magnesium carbonate, mica, talc, quartz powder, diatomite, dolomite powder, titanium oxide, zinc oxide, antimony oxide, barium sulfate, calcium sulfate, alumina, calcium silicate, metal salts of organophosphates, and boron nitride; low-molecular organic compounds having a metal carboxylate group, for example, metal salts of such as octylic acid, toluic acid, heptanoic acid, pelargonic acid, lauric acid, myristic acid, palmitic acid, stearic acid, behenic acid, cerotic acid, montanic acid, melissic acid, benzoic acid, p-tert-butylbenzoic acid, terephthalic acid, ter
  • nucleating agents may be used either alone or in combinations with each other.
  • the nucleating agent is cyanuric acid.
  • the nucleating agent can also be another polymer (e.g ., polymeric nucleating agents such as PHB).
  • Choice of the liquid carrier is important as the carrier becomes an integral component in the polymer formulation when the nucleating agent is added.
  • plasticizers are often used to change the glass transition temperature and modulus of the composition, but surfactants may also be used.
  • Lubricants may also be used, e.g ., in injection molding applications. Plasticizers, surfactants and lubricants may all therefore be used as the liquid carrier for the milling of the nucleating agent.
  • the liquid carrier for wet milling the nucleant can be a plasticizer.
  • plasticizers include but are not limited to phthalic compounds (including, but not limited to, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, dihexyl phthalate, di-n-octyl phthalate, di-2-ethylhexyl phthalate, diisooctyl phthalate, dicapryl phthalate, dinonyl phthalate, diisononyl phthalate, didecyl phthalate, diundecyl phthalate, dilauryl phthalate, ditridecyl phthalate, dibenzyl phthalate, dicyclohexyl phthalate, butyl benzyl phthalate, octyl decyl phthalate, butyl octyl phthalate, octyl benzyl phthalate, n-hexyl
  • the liquid carrier for wet milling the nucleating agent can be a surfactant.
  • surfactants are generally used to de-dust, lubricate, reduce surface tension, and/or density.
  • examples of surfactants include, but are not limited to mineral oil, castor oil, and soybean oil.
  • One mineral oil surfactant is Drakeol 34, available from Penreco (Dickinson, Texas, USA). Maxsperse W-6000 and W-3000 solid surfactants are available from Chemax Polymer Additives (Piedmont, South Carolina, USA).
  • Surfactants can also include detergents such as Triton X-100, TWEEN-20, TWEEN-65, Span-40 and Span 85.
  • Anionic surfactants include: aliphatic carboxylic acids such as lauric acid, myristic acid, palmitic acid, stearic acid, and oleic acid; fatty acid soaps such as sodium salts or potassium salts of the above aliphatic carboxylic acids; N-acyl-N-methylglycine salts, N-acyl-N-methyl-beta-alanine salts, N-acylglutamic acid salts, polyoxyethylene alkyl ether carboxylic acid salts, acylated peptides, alkylbenzenesulfonic acid salts, alkylnaphthalenesulfonic acid salts, naphthalenesulfonic acid salt-formalin polycondensation products, melaminesulfonic acid salt-formalin polycondensation products, dialkylsulfosuccinic acid ester salts, alkyl sulfosuccinate disalts, polyoxyethylene alkylsulf
  • the liquid carrier is a lubricant.
  • a lubricant normally used in polymer processing can also be used as the liquid carrier for wet milling the nucleant.
  • Lubricants are normally used to reduce sticking to hot processing surfaces and can include polyethylene, paraffin oils, and paraffin waxes in combination with metal stearates. Other lubricants include stearic acid, amide waxes, ester waxes, metal carboxylates, and carboxylic acids.
  • Lubricants are normally added to polymers in the range of about 0.1 percent to about 1 percent by weight, generally from about 0.7 percent to about 0.8 percent by weight of the compound. Solid lubricants can be warmed and melted during the wet milling.
  • the liquid carrier is a volatile or organic solvent.
  • a volatile solvent will be removed by devolatilization assisted by vacuum during subsequent compounding of the polymer, leaving behind the nucleating agent.
  • Volatile liquid carriers that can be used include alcohols (e.g ., ethanol, propanol, isopropanol).
  • organic solvents for use in the methods and compositions disclosed herein include but are not limited to: n-pentane, n-hexane, isohexane, n-heptane, n-octane, isooctane, n-decane, 2,2-dimethylbutane, petroleum ether, petroleum benzene, ligroin, gasoline, kerosine, petroleum spirit, petroleum naphtha, 2-pentene, mixed pentene, cyclohexane, methylcyclohexane, benzene, toluene, xylene, ethylbenzene, diethylbenzene, isopropylbenzene, amylbenzene, diamylbenzene, triamylbenzene, tetraamylbenzene, dodecylbenzene, didodecylbenzene, amyltoluene, coal tar naph
  • An advantage of using a volatile liquid is that the liquid will be removed during processing in the extruder, and can be removed. This can be advantageous for applications where little of the liquid additive is desired in the finished polymer product.
  • the liquid carrier for wet milling the nucleating agent is water.
  • An advantage of using water is that it, like the volatile solvents, will also be removed during processing. Additionally, no residue behind is left behind, and minimal or no effect on the chemistry of the polymer itself is found.
  • the liquid carrier for wet milling the nucleating agent can be a mixture of any of the above.
  • the liquid carrier can be a mixture of one or more plasticizers, one or more surfactants, one or more volatile liquid carriers, or water.
  • the liquid carrier can also be a mixture of one or more plasticizers, surfactants, volatile liquid carriers, or water.
  • One of ordinary skill in the polymer processing arts can therefore compose the overall liquid carrier with consideration for the later processing of the polymer. For instance, if the polymer application calls for only a small amount of plasticizer or surfactant, then one can compose a liquid carrier with a small amount of plasticizer or surfactant, with the balance of the carrier being a volatile liquid that will be removed during processing.
  • an additive can be included in the thermoplastic composition.
  • the additive can be any compound known to those of skill in the art to be useful in the production of thermoplastics.
  • Exemplary additives include, e.g ., plasticizers (e.g ., to increase flexibility of a thermoplastic composition), antioxidants (e.g ., to protect the thermoplastic composition from degradation by ozone or oxygen), ultraviolet stabilizers ( e.g ., to protect against weathering), lubricants ( e.g ., to reduce friction), pigments ( e.g ., to add color to the thermoplastic composition), flame retardants, fillers, reinforcing, mold release, and antistatic agents. It is well within the skilled practitioner's abilities to determine whether an additive should be included in a thermoplastic composition and, if so, what additive and the amount that should be added to the composition.
  • plasticizers are often used to change the glass transition temperature and modulus of the composition, but surfactants may also be used.
  • Lubricants may also be used, e.g ., in injection molding applications. Plasticizers, surfactants and lubricants may all therefore be included in the overall blend.
  • the blend can include one or more plasticizers.
  • plasticizers include phthalic compounds (including, but not limited to, dimethyl phthalate, diethyl phthalate, dibutyl phthalate, dihexyl phthalate, di-n-octyl phthalate, di-2-ethylhexyl phthalate, diisooctyl phthalate, dicapryl phthalate, dinonyl phthalate, diisononyl phthalate, didecyl phthalate, diundecyl phthalate, dilauryl phthalate, ditridecyl phthalate, dibenzyl phthalate, dicyclohexyl phthalate, butyl benzyl phthalate, octyl decyl phthalate, butyl octyl phthalate, octyl benzyl phthalate, n-hexyl n-decyl phthalate, n
  • the blend can include one or more surfactants.
  • Surfactants are generally used to de-dust, lubricate, reduce surface tension, and/or densify.
  • examples of surfactants include, but are not limited to mineral oil, castor oil, and soybean oil.
  • One mineral oil surfactant is Drakeol 34, available from Penreco (Dickinson, Texas, USA).
  • Maxsperse W-6000 and W-3000 solid surfactants are available from Chemax Polymer Additives (Piedmont, South Carolina, USA).
  • Non-ionic surfactants with HLB values ranging from about 2 to about 16 can be used examples being TWEEN-20, TWEEN-65, Span-40 and Span 85.
  • Anionic surfactants include: aliphatic carboxylic acids such as lauric acid, myristic acid, palmitic acid, stearic acid, and oleic acid; fatty acid soaps such as sodium salts or potassium salts of the above aliphatic carboxylic acids; N-acyl-N-methylglycine salts, N-acyl-N-methyl-beta-alanine salts, N-acylglutamic acid salts, polyoxyethylene alkyl ether carboxylic acid salts, acylated peptides, alkylbenzenesulfonic acid salts, alkylnaphthalenesulfonic acid salts, naphthalenesulfonic acid salt-formalin polycondensation products, melaminesulfonic acid salt-formalin polycondensation products, dialkylsulfosuccinic acid ester salts, alkyl sulfosuccinate disalts, polyoxyethylene alkylsulf
  • Lubricants are normally used to reduce sticking to hot processing metal surfaces and can include polyethylene, paraffin oils, and paraffin waxes in combination with metal stearates. Other lubricants include stearic acid, amide waxes, ester waxes, metal carboxylates, and carboxylic acids. Lubricants are normally added to polymers in the range of about 0.1 percent to about 1 percent by weight, generally from about 0.7 percent to about 0.8 percent by weight of the compound. Solid lubricants can be warmed and melted before or during processing of the blend.
  • the nucleating agent can include aluminum hydroxy diphosphate or a compound comprising a nitrogen-containing heteroaromatic core.
  • the nitrogen-containing heteroaromatic core can be pyridine, pyrimidine, pyrazine, pyridazine, triazine, or imidazole.
  • the nucleant can have a chemical formula selected from the group consisting of and and combinations thereof, wherein each R1 is independently H, NR 2 R 2 , OR 2 , SR 2 , SOR 2 , SO 2 R 2 , CN, COR 2 , CO 2 R 2 , CONR 2 R 2 , NO 2 , F, Cl, Br, or I; and each R 2 is independently H or C 1 -C 6 alkyl.
  • a blend composition disclosed herein can be created at a temperature above the crystalline melting point of the thermoplastic but below the decomposition point of any of the ingredients of the composition.
  • a pre-made blend composition of the present disclosure can simply be heated to such temperature. While in heat plastified condition, the composition can be processed into a desired shape, and subsequently cooled to set the shape and induce crystallization.
  • Such shapes can include, but are not limited to, a fiber, filament, film, sheet, rod, tube, bottle, or other shape.
  • Such processing can be performed using any art-known technique, such as, but not limited to, extrusion, injection molding, compression molding, blowing or blow molding (e.g ., blown film, blowing of foam), calendering, rotational molding, casting ( e.g ., cast sheet, cast film), or thermoforming.
  • extrusion injection molding, compression molding, blowing or blow molding (e.g ., blown film, blowing of foam), calendering, rotational molding, casting ( e.g ., cast sheet, cast film), or thermoforming.
  • thermoplastic compositions of the present disclosure can be used to create, without limitation, a wide variety of useful products, e.g ., automotive, consumer disposable, consumer durable, construction, electrical, medical, and packaging products.
  • the blends can be used to make, without limitation, films (e.g ., packaging films, agricultural film, mulch film, erosion control, hay bale wrap, slit film, food wrap, pallet wrap, protective automobile and appliance wrap), golf tees, caps and closures, agricultural supports and stakes, paper and board coatings ( e.g ., for cups, plates, boxes), thermoformed products ( e.g ., trays, containers, yoghurt pots, cup lids, plant pots, noodle bowls, moldings), housings ( e.g ., for electronics items, e.g ., cell phones, PDA cases, music player cases, computer cases), bags (e.g ., trash bags, grocery bags, food bags, compost bags), hygiene articles ( e.g ., diaper
  • Example 1 Blowing Film With Blends of PHA and Polybutylene Adipate-Terephthalate.
  • Ecoflex polybutylene adipate-terephthalate
  • Polybutylene adipate-terephthalate with small levels of highly crystalline PHAs exhibited similar transitions from a clear film at high temperatures to an opaque film when cold. PHA addition improved the apparent rate of crystallization of the film as seen by reduced blocking.
  • Compositions comprising 20% PHA and 80% polybutylene adipate-terephthalate showed no signs of blocking within 5 minutes of film blowing, without the aid of process lubricants.
  • the same film thickness grade produced with polybutylene adipate-terephthalate showed complete blocking, thicker films could be made which could be separated after the film had been aged for several days to promote crystallization. Typically larger amounts of antiblock additives (>0.8%) were required to avoid film blocking with pure polybutylene adipate-terephthalate films.
  • PHB and polybutylene adipate-terephthalate pellets were melt blended together with a nucleating agent (see formulations 1-4 in Table 1, below) using a Brabender compounding unit at 165-170°C and extruder to form a strand which was subsequently cut to form pellets.
  • the pellets were injection molded using a melt temperature of 160°C and a mold temperature of 50°C to form ASTM impact bars. After allowing the bars rest at ambient temperature for 48 hours they were notched according to the procedure outlined in ASTM D256 and tested for impact strength. Table 1. Formulations for testing impact strength of PHB blended with polybutylene adipate-terephthalate.
  • Formulation 1 2 3 4 Polybutylene adipate-terephthalate 0 10 25 40 PHB 100 90 75 60 25% Cyanuric Acid compounded in PHB Carrier 4 4 4 4 notched impact lbf/in 0.408 0.378 0.474 1.43
  • polybutylene adipate-terephthalate can significantly improve the impact performance properties of PHB. Inclusion of 40% by weight or more of polybutylene adipate-terephthalate was found to enhance the impact strength of the overall blend.
  • Poly-3-hydroxybutyrate-co-7%-3-hydroxyvalerate and polybutylene adipate-terephthalate pellets were melt blended together with a nucleating agent (see formulations 5-8 in Table 2, below) using a Brabender compounding unit at 165-170°C and extruder to form a strand which was subsequently cut to form pellets.
  • the pellets were injection molded using a melt temperature of 160°C and a mold temperature of 50°C to form ASTM impact bars. After conditioning the bars for 48 hours they were notched according to the procedure outlined in ASTM D256 and tested for impact strength. Table 2.
  • Formulation 5 6 7 8 Polybutylene adipate-terephthalate 0 10 25 40 Poly-3-hydroxybutyrate-co-7%-3-hydroxyvalerate. 100 90 75 60 25% Cyanuric Acid compounded in PHB Carrier 4 4 4 4 notched impact lbf/in 0.532 0.461 0.664 2.41
  • Poly-3-hydroxybutyrate-co-7%-4-hydroxybutyrate and polybutylene adipate-terephthalate pellets were melt blended together with a nucleating agent (see formulations 9-12 in Table 3, below) using a Brabender compounding unit at 165-170°C and extruder to form a strand which was subsequently cut to form pellets.
  • the pellets were injection molded using a melt temperature of 160°C and a mold temperature of 50°C to form ASTM impact bars. After conditioning the bars for 48 hours they were notched according to the procedure outlined in ASTM D256 and tested for impact strength. Table 3.
  • Formulations for testing impact modification of Poly-3-hydroxybutyrate-co-7%-4-hydroxyvalerate blended with polybutylene adipate-terephthalate Formulation 9 10 11 12 Polybutylene adipate-terephthalate 0 10 25 40 Poly-3-hydroxybutyrate-co-7%-4-hydroxybutyrate 100 90 75 60 25% Cyanuric Acid compounded in PHB Carrier 4 4 4 4 notched impact lbf/in 0.718 0.884 1.185 2.71
  • Example 5 Impact Modification of Poly-3-hydroxybutyrate-co-5% 3 hydroxyhexanoate.
  • Poly-3-hydroxybutyrate-co-5% 3 hydroxyhexanoate and polybutylene adipate-terephthalate pellets are melt blended together with a nucleating agent (see formulations 13-15 in Table 4, below) using a Brabender compounding unit at 165-170°C and extruder to form uniform strands of diameter 2mm.
  • the strands are placed in a refrigeration unit for 24 hours to equilibrate and the ductility assessed by wrapping the strand around mandrels of differing diameters until the strand either cracks or breaks.
  • Table 4 Formulations for testing impact modification of poly-3-hydroxybutyrate-co-5% 3 hydroxyhexanoate blended with polybutylene adipate-terephthalate.
  • Formulation 13 14 15 Polybutylene adipate-terephthalate 0 20 40 Poly-3-hydroxybutyrate-co-5% 3 hydroxyhexanoate 100 80 60 25% Cyanuric Acid compounded in PHB Carrier 4 4 4 4 4
  • Formulations 16 through 22 show the film processing characteristics of polybutylene adipate-terephthalate and two two PHA blends (PHA Blend 1: poly-3-hydroxybutyrate-co-7%-3-hydroxyvalerate; PHA Blend 2: poly-3-hydroxybutyrate-co-33%-4-hydroxybutyrate) produced by melt blending of the various components.
  • Formulation 21 contains no polybutylene adipate-terephthalate and reflects the typical properties of a PHA resin blend formulation while Formulation 22 reflects the processing characteristics of a polybutylene adipate-terephthalate film.
  • Formulation 21 which was based only on PHA blends (molecular weight, Mw, of around 450,000 as measured by GPC, polystyrene equivalents) showed noticeable wandering in the bubble stability and could only be drawn down to 1000-1200 microns.
  • Mw molecular weight
  • polystyrene equivalents molecular weight, Mw, of around 450,000 as measured by GPC, polystyrene equivalents
  • Polybutylene adipate-terephthalate films when immediately blown are very soft and show a strong tendency to block, even with the addition of traditional slip/antiblock additives, this makes it very difficult to separate the films for several days reducing the commercial value of such formulations.
  • the incorporation of PHA resins into polybutylene adipate-terephthalate immediately reduced the blocking problems so that the films could immediately be separated, hence allowing traditional slitting and film separation operations to be carried out inline to the film blowing process.
  • PHA Blend 1 was poly-(3-hydroxybutyrate-co-8%-poly-3-hydroxyvalerate).
  • PHA Blend 2 was poly-3-hydroxybutyrate-co-33%-4-hydroxybutyrate).
  • Film samples of 100-120 microns in thickness were produced using the same processing conditions as described in Example 6 and were aged under ambient conditions for 2 years before being tested for tensile properties in the transverse direction. Table 6. Formulations for testing mechanical properties of films from Example 6.
  • thermoplastic compositions of the present disclosure can be used to create, without limitation, a wide variety of useful products, e.g ., automotive parts, consumer disposable items, consumer durable items, construction, electrical, medical, and packaging products.
  • compositions and pellets can be used to make, without limitation, films (e.g ., packaging films, agricultural film, mulch film, erosion control, hay bale wrap, slit film, food wrap, pallet wrap, protective automobile and appliance wrap), golf tees, caps and closures, agricultural supports, ties and stakes, paper and board coatings (e.g ., for cups, plates, boxes), thermoformed products (e.g ., trays, containers, yoghurt pots, cup lids, plant pots, noodle bowls, moldings), housings (e.g., for electronics items, e.g ., cell phones, PDA cases, music player cases, computer cases), bags (e.g ., trash bags, grocery bags, food bags, compost bags), hygiene articles ( e.g ., diapers, feminine hygiene products, incontinence products, disposable wipes, padding), coatings for pelleted products (e.g ., pelleted fertilizer, herbicides, pesticides,
  • any numerical range recited herein is intended to include all sub-ranges subsumed therein.
  • a range of “1 to 10" is intended to include all sub-ranges between (and including) the recited minimum value of 1 and the recited maximum value of 10, that is, having a minimum value equal to or greater than 1 and a maximum value of equal to or less than 10.
  • the terms "one,” “a,” or “an” as used herein are intended to include “at least one” or “one or more,” unless otherwise indicated.

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Claims (15)

  1. Zusammensetzung, umfassend:
    ein lineares biologisch hergestelltes Polyhydroxyalkanoat-Polymer,
    einen biologisch abbaubaren aromatisch-aliphatischen Polyester und
    ein Nukleierungsmittel, wobei es sich bei der Zusammensetzung um ein Blend handelt und
    wobei es sich bei dem biologisch hergestellten Polyhydroxyalkanoat-Polymer um
    (i) a) Poly(3-hydroxybutyrat-co-4-hydroxybutyrat) mit einem 4-Hydroxybutyrat-Gehalt von 5 % bis 15 % gemischt mit
    b) einem Poly(3-hydroxybutyrat-co-4-hydroxybutyrat) mit einem 4-Hydroxybutyrat-Gehalt von 20-50 %,
    b) einem Poly(3-hydroxybutyrat-co-5-hydroxyvalerat) mit einem 5-Hydroxyvalerat-Gehalt von 20 % bis 50 % oder
    b) einem Poly(3-hydroxybutyrat-co-3-hydroxyhexanoat) mit einem 3-Hydroxyhexanoat-Gehalt von 5 % - 50 %
    (ii) a) ein Poly(3-hydroxybutyrat-co-3-hydroxyvalerat) mit einem 3-Hydroxyvalerat-Gehalt von 5 % bis 22 % gemischt mit
    b) einem Poly(3-hydroxybutyrat-co-4-hydroxybutyrat) mit einem 4-Hydroxybutyrat-Gehalt von 20-50 %,
    b) einem Poly(3-hydroxybutyrat-co-5-hydroxyvalerat) mit einem 5-Hydroxyvalerat-Gehalt von 20 % bis 50 % oder
    b) einem Poly(3-hydroxybutyrat-co-3-hydroxyhexanoat) mit einem 3-Hydroxyhexanoat-Gehalt von 5 % - 50 % oder
    (iii) a) ein Poly(3-hydroxybutyrat-co-3-hydroxyhexanoat) mit einem 3-Hydroxyhexanoat-Gehalt von 3 % bis 15 % gemischt mit
    b) einem Poly(3-hydroxybutyrat-co-4-hydroxybutyrat) mit einem 4-Hydroxybutyrat-Gehalt von 20-50 %,
    b) einem Poly(3-hydroxybutyrat-co-5-hydroxyvalerat) mit einem 5-Hydroxyvalerat-Gehalt von 20 % bis 50 %,
    b) einem Poly(3-hydroxybutyrat-co-3-hydroxyhexanoat) mit einem 3-Hydroxyhexanoat-Gehalt von 5 % - 50 %
    handelt,
    es sich bei dem biologisch abbaubaren aromatisch-aliphatischen Polyester um ein Copolymer von
    i) mindestens einer aliphatischen Dicarbonsäure,
    ii) mindestens einer aromatischen Dicarbonsäure und
    iii) einer Dihydroxyverbindung
    handelt, wobei
    die aliphatische Dicarbonsäure aus Bernsteinsäure, Glutarsäure, Dimethylglutarsäure, Adipinsäure, Sebacinsäure oder Azelainsäure ausgewählt ist,
    die aromatische Dicarbonsäure aus Terephthalsäure oder Naphthalindicarbonsäure ausgewählt ist und
    die Dihydroxyverbindung aus C2-C6-Alkandiolen und C5-C10-Cycloalkandiolen ausgewählt ist,
    und wobei das Nukleierungsmittel aus Cyanursäure, Ruß, Glimmer, Talk, Siliciumdioxid, Bornitrid, Ton, Calciumcarbonat, synthetischer Kieselsäure oder einem Salz davon, einem Metallsalz von Organophosphaten und einem Kaolin ausgewählt ist.
  2. Zusammensetzung nach Anspruch 1, wobei es sich bei der Dihydroxyverbindung um Ethylenglykol oder 1,4-Butandiol handelt.
  3. Zusammensetzung nach Anspruch 1, wobei der biologisch abbaubare aromatischaliphatische Polyester aus
    Polyethylenadipatterephthalat,
    Polyethylenadipatterephthalat,
    Polybutylensuccinatterephthalat und
    Polyethylensuccinatterephthalat
    ausgewählt ist.
  4. Zusammensetzung nach Anspruch 1, wobei es sich bei 5 bis 95 Gewichtsprozent der gesamten Polymerkomponenten der Zusammensetzung um den biologisch abbaubaren aromatisch-aliphatischen Polyester handelt oder wobei es sich bei 10 bis 50 Gewichtsprozent der gesamten Polymerkomponenten der Zusammensetzung um den biologisch abbaubaren aromatisch-aliphatischen Polyester handelt.
  5. Zusammensetzung nach Anspruch 1, wobei
    es sich bei 5 bis 95 Gewichtsprozent der Zusammensetzung um das lineare biologisch hergestellte Polyhydroxyalkanoat-Polymer handelt oder
    es sich bei 50 bis 90 Gewichtsprozent der gesamten Polymerkomponenten der Zusammensetzung um das biologisch hergestellte Polyhydroxyalkanoat-Polymer handelt.
  6. Zusammensetzung nach Anspruch 1, wobei das Gewicht von Polymer a) 5 % bis 95 % des kombinierten Gewichts von Polymer a) und Polymer b) beträgt.
  7. Zusammensetzung nach Anspruch 1 oder Anspruch 6, wobei das biologisch hergestellte Polyhydroxyalkanoat-Polymer ferner mit Polymer c):
    einem Poly(3-hydroxybutyrat-co-4-hydroxybutyrat) mit einem 4-Hydroxybutyrat-Gehalt von 20 % bis 50 %,
    einem Poly(3-hydroxybutyrat-co-5-hydroxyvalerat) mit einem 5-Hydroxyvalerat-Gehalt von 20 % bis 50 % oder
    einem Poly(3-hydroxybutyrat-co-3-hydroxyhexanoat) mit einem 3-Hydroxyhexanoat-Gehalt von 5 % bis 50 %
    gemischt ist,
    wobei das Gewicht von Polymer c) 5 % bis 95 % des kombinierten Polymergewichts von Polymer a), Polymer b) und Polymer c) beträgt
    oder wobei das Gewicht von Polymer c) 5 % bis 40 % des kombinierten Polymergewichts von Polymer a), Polymer b) und Polymer c) beträgt.
  8. Zusammensetzung nach Anspruch 1, wobei es sich bei dem linearen biologisch hergestellten Polyhydroxyalkanoat-Polymer um
    a) ein Poly(3-hydroxybutyrat)-Homopolymer gemischt mit
    b) einem Poly(3-hydroxybutyrat-co-4-hydroxybutyrat) mit einem 4-Hydroxybutyrat-Gehalt von 5 % bis 15 %,
    b) einem Poly(3-hydroxybutyrat-co-3-hydroxyvalerat) mit einem 3-Hydroxyvalerat-Gehalt von 5 % bis 22 % oder
    b) einem Poly(3-hydroxybutyrat-co-3-hydroxyhexanoat) mit einem 3-Hydroxyhexanoat-Gehalt von 3 % bis 15 %
    und weiter gemischt mit
    c) Poly(3-hydroxybutyrat-co-4-hydroxybutyrat) mit einem 4-Hydroxybutyrat-Gehalt von 20 % bis 50 %
    handelt.
  9. Zusammensetzung nach Anspruch 8, wobei das Gewicht von Polymer a) 20 % bis 60 % des kombinierten Gewichts von Polymer a) und Polymer b) beträgt und das Gewicht von Polymer b) 40 % bis 80 % des kombinierten Gewichts von Polymer a) und Polymer b) beträgt.
  10. Zusammensetzung nach Anspruch 8 oder Anspruch 9, wobei das Gewicht von Polymer c) 5 % bis 95 % des kombinierten Polymergewichts von Polymer a), Polymer b) und Polymer c) beträgt.
  11. Zusammensetzung nach Anspruch 10, wobei das Gewicht von Polymer c) 5 % bis 40 % des kombinierten Polymergewichts von Polymer a), Polymer b) und Polymer c) beträgt.
  12. Zusammensetzung nach Anspruch 1, wobei es sich bei dem Nukleierungsmittel um Cyanursäure handelt.
  13. Verfahren zur Herstellung eines Polymerharzpellets, das Folgendes umfasst:
    Schmelzen der Zusammensetzung nach Anspruch 1 unter geeigneten Bedingungen und Bilden eines Polymerharzpellets.
  14. Gegenstand, umfassend die Zusammensetzung nach einem der Ansprüche 1 bis 12.
  15. Gegenstand nach Anspruch 14, wobei der Gegenstand in Form einer Folie, einer Platte, eines Formkörpers, einer Faser, eines Filaments, eines Stabs, eines Rohrs, einer Flasche oder eines Schaumstoffs vorliegt.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024152225A1 (en) * 2023-01-18 2024-07-25 Tsinghua University Biodegradable films comprising polyhydroxyalkanoates

Families Citing this family (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2328998A1 (de) * 2008-09-30 2011-06-08 The Procter & Gamble Company Flüssiges reinigungsmittel für feste oberflächen
EP2350247B1 (de) 2008-09-30 2016-04-20 The Procter & Gamble Company Flüssiges reinigungsmittel für feste oberflächen
WO2010039574A1 (en) * 2008-09-30 2010-04-08 The Procter & Gamble Company Liquid hard surface cleaning composition
TW201042103A (en) 2008-12-23 2010-12-01 Metabolix Inc Production of non-woven materials from polyhydroxyalkanoate
CN102421819A (zh) 2009-04-06 2012-04-18 梅塔玻利克斯公司 改进聚羟基烷酸酯聚合物的膜加工以及注塑模制的方法
US8524856B2 (en) * 2009-06-26 2013-09-03 Metabolix, Inc. PHA compositions comprising PBS and PBSA and methods for their production
JP5559893B2 (ja) * 2009-12-22 2014-07-23 ザ プロクター アンド ギャンブル カンパニー 液体クリーニング及び／又はクレンジング組成物
US9163200B2 (en) * 2009-12-22 2015-10-20 The Procter & Gamble Company Liquid cleaning and/or cleansing composition
RU2530020C2 (ru) 2010-04-21 2014-10-10 Дзе Проктер Энд Гэмбл Компани Жидкий чистящий и/или дезинфицирующий состав
AU2011256260A1 (en) 2010-05-17 2012-12-20 Metabolix, Inc. Toughening polylactic acid with polyhydroxyalkanoates
WO2012040136A1 (en) 2010-09-21 2012-03-29 The Procter & Gamble Company Liquid cleaning composition
EP2431452B1 (de) 2010-09-21 2015-07-08 The Procter & Gamble Company Flüssigreinigungszusammensetzung
EP2431451A1 (de) 2010-09-21 2012-03-21 The Procter & Gamble Company Flüssige Reinigungsmittelzusammensetzung mit Schleifpartikeln
EP2629780A4 (de) 2010-10-20 2014-10-01 206 Ortho Inc Implantierbares polymer für knochen- und gefässläsionen
WO2015095745A1 (en) 2010-10-20 2015-06-25 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants, and novel composite structures which may be used for medical and non-medical applications
US11207109B2 (en) 2010-10-20 2021-12-28 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants, and novel composite structures which may be used for medical and non-medical applications
US9320601B2 (en) 2011-10-20 2016-04-26 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants
US11484627B2 (en) 2010-10-20 2022-11-01 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants, and novel composite structures which may be used for medical and non-medical applications
US11058796B2 (en) 2010-10-20 2021-07-13 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants, and novel composite structures which may be used for medical and non-medical applications
US11291483B2 (en) 2010-10-20 2022-04-05 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants
WO2014190289A2 (en) 2013-05-23 2014-11-27 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants
US10525169B2 (en) 2010-10-20 2020-01-07 206 Ortho, Inc. Method and apparatus for treating bone fractures, and/or for fortifying and/or augmenting bone, including the provision and use of composite implants, and novel composite structures which may be used for medical and non-medical applications
WO2012177617A1 (en) 2011-06-20 2012-12-27 The Procter & Gamble Company Liquid cleaning and/or cleansing composition
EP2537917A1 (de) 2011-06-20 2012-12-26 The Procter & Gamble Company Flüssige Reinigungsmittel mit Schleifpartikeln
US8852643B2 (en) 2011-06-20 2014-10-07 The Procter & Gamble Company Liquid cleaning and/or cleansing composition
EP2721136A1 (de) * 2011-06-20 2014-04-23 The Procter and Gamble Company Flüssigreinigung und/oder reinigungszusammensetzung
US9096758B2 (en) 2011-07-29 2015-08-04 Basf Se Biodegradable polyester foil
EP2551301A1 (de) * 2011-07-29 2013-01-30 Basf Se Biologisch abbaubare Polyesterfolie
JP6015748B2 (ja) * 2012-03-30 2016-10-26 株式会社カネカ 生分解性ポリエステル樹脂組成物
US9353258B2 (en) 2012-06-05 2016-05-31 Metabolix, Inc. Low glass transition polyhydroxyalkanoates for modification of biodegradable polymers
CN109054254B (zh) 2012-08-17 2021-02-02 Cj第一制糖株式会社 用于聚合物共混物的生物基橡胶改性剂
CN102848581B (zh) * 2012-10-03 2014-12-24 广东华业包装材料有限公司 3-羟基丁酸-4-羟基丁酸共聚物薄膜的流延成型方法
US9850376B2 (en) * 2012-10-05 2017-12-26 Kaneka Corporation Polyester resin composition and method for producing same
ES2577147T3 (es) 2012-10-15 2016-07-13 The Procter & Gamble Company Composición detergente líquida con partículas abrasivas
CN103013071B (zh) * 2012-12-18 2014-12-10 江苏华信新材料股份有限公司 一种生物降解pha透气膜及其制备方法
US10669417B2 (en) 2013-05-30 2020-06-02 Cj Cheiljedang Corporation Recyclate blends
JP6433156B2 (ja) * 2013-06-21 2018-12-05 アキレス株式会社 排泄物バッグ用フィルム
EP3122817B1 (de) 2014-03-27 2020-07-29 CJ CheilJedang Corporation Hoch gefüllte polymersysteme
WO2015146194A1 (ja) * 2014-03-28 2015-10-01 株式会社カネカ ポリエステル樹脂組成物、並びに該樹脂組成物から形成される成形体およびその製造方法
DE102014017015A1 (de) * 2014-11-19 2016-05-19 Bio-Tec Biologische Naturverpackungen Gmbh & Co. Kg Biologisch abbaubare Mehrschichtfolie
CN105667031B (zh) * 2014-11-21 2018-07-20 江苏华信新材料股份有限公司 Pha/pla/pha共挤薄膜及其挤出成型工艺
CN104927321B (zh) * 2015-05-26 2017-03-08 中山市志丰印刷实业有限公司 一种包装材料用phbv复合膜的制备方法
CN104974486B (zh) * 2015-08-04 2016-10-26 季晓吴 一种apet硬质环保复合片材及其制备方法
US11091632B2 (en) 2015-11-17 2021-08-17 Cj Cheiljedang Corporation Polymer blends with controllable biodegradation rates
CN106280333A (zh) * 2016-08-23 2017-01-04 无锡市永亿精密铸造有限公司 一种用于吹风机的复合材料
DE202017107116U1 (de) * 2017-04-05 2018-01-11 Biotec Biologische Naturverpackungen Gmbh & Co. Kg Biologisch abbaubare Folie
CN107936232B (zh) * 2017-10-26 2020-07-28 珠海万通化工有限公司 一种可生物降解聚酯及其应用
CN107955140A (zh) * 2017-10-26 2018-04-24 珠海万通化工有限公司 一种可生物降解聚酯及其应用
JP2021535238A (ja) 2018-08-13 2021-12-16 ダニマー・バイオプラスティックス・インコーポレーテッド 水性ｐｈａ分散液に基づく生分解性コーティング
WO2020195550A1 (ja) * 2019-03-28 2020-10-01 株式会社カネカ ポリヒドロキシアルカノエート系樹脂組成物、その成形体及びフィルム又はシート
CA3141717A1 (en) * 2019-05-24 2020-12-03 Meredian, Inc. Pha terpolymer compositions
MX2021014150A (es) * 2019-05-24 2022-03-17 Meredian Inc Recubrimientos biodegradables de liberacion controlada para semillas y fertilizantes.
EP3835360A1 (de) * 2019-12-10 2021-06-16 Aladdin Manufacturing Corporation Polyesterfilamente mit verbesserter anfärbbarkeit
US20230145613A1 (en) * 2020-04-17 2023-05-11 Kaneka Corporation Poly(3-hydroxybutyrate)-based resin tube and method for producing same
TWI755732B (zh) * 2020-05-15 2022-02-21 亮宇國際有限公司 不含聚乳酸的生物可分解器具及其組成
WO2022004637A1 (ja) * 2020-06-29 2022-01-06 株式会社カネカ 樹脂フィルム
US11584110B2 (en) 2020-07-30 2023-02-21 Pepsico, Inc. Multi-layered packaging films
US12060484B2 (en) 2020-07-30 2024-08-13 Danimer Ipco, Llc Biobased material for consumer goods packaging
US20220089862A1 (en) * 2020-09-24 2022-03-24 Meredian Bioplastics, Inc. Biodegradable container closure and resin therefor
EP4314156A1 (de) * 2021-03-25 2024-02-07 Phaxtec, Inc. Polyhydroxyalkanoatzusammensetzungen und verfahren zur herstellung davon
US11952458B2 (en) * 2021-05-14 2024-04-09 Danimer Ipco, Llc Polyester impact modifiers
CN113549306B (zh) * 2021-07-09 2022-09-16 万华化学集团股份有限公司 一种pbat树脂组合物及其制备方法
KR102495774B1 (ko) * 2021-07-30 2023-02-06 씨제이제일제당(주) 생분해성 다층 필름, 이의 제조 방법 및 이를 포함하는 친환경 포장재
US20240352249A1 (en) * 2021-08-31 2024-10-24 Cj Cheiljedang Corporation Composition for biodegradable fiber and biodegradable fiber manufactured using same
KR102507559B1 (ko) * 2021-12-07 2023-03-09 주식회사 에이치제이테크 생분해성 수지 조성물 및 이를 이용한 필름
KR102695785B1 (ko) * 2021-12-21 2024-08-16 (주)대양산업 생분해성 핫멜트 접착 조성물
WO2023191561A1 (ko) * 2022-03-30 2023-10-05 씨제이제일제당(주) 폴리부틸렌숙시네이트(pbs)계 수지 기화 촉진제 및 이를 포함하는 조성물
KR20240055557A (ko) * 2022-10-20 2024-04-29 씨제이제일제당 (주) 생분해성 멜트블로운 부직포용 조성물, 및 이를 이용하여 제조된 생분해성 멜트블로운 부직포
KR20240061572A (ko) * 2022-10-31 2024-05-08 씨제이제일제당 (주) 생분해성 멀티필라멘트 섬유용 조성물, 생분해성 멀티 필라멘트 섬유 및 이의 제조 방법
KR20240061438A (ko) * 2022-10-31 2024-05-08 씨제이제일제당 (주) 생분해성 수지 조성물, 생분해성 부직포 및 이의 제조 방법
WO2024104374A1 (zh) * 2022-11-18 2024-05-23 北京微构工场生物技术有限公司 一种可降解长丝及其制备方法和应用

Family Cites Families (135)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2744095A (en) 1952-10-03 1956-05-01 Eastman Kodak Co Linear polyesters from p, p'-sulfonyl dibenzoic acid condensed with an aliphatic ether glycol
US4096122A (en) 1972-03-18 1978-06-20 Dynamit Nobel Aktiengesellschaft Process for the production of polyesters of 1,4-butanediol
US3962377A (en) 1973-09-25 1976-06-08 Ciba-Geigy Corporation 2,3,5-Trialkyl-4-hydroxybenzylphosphonates and phosphinates
US3954839A (en) 1974-12-12 1976-05-04 Ciba-Geigy Corporation Hindered hydroxyphenylalkanoates of thioether isopropanols
US4596886A (en) 1982-04-30 1986-06-24 Mitsubishi Monsanto Chemical Company Polyester containing impure 1,2-butanediol
US4617373A (en) 1985-02-15 1986-10-14 Eastman Kodak Company Condensation polymers and products therefrom
US4859365A (en) 1987-02-10 1989-08-22 Manufacturers Industrial Technology, Inc. Flame retardant and smoke suppressant composition
US5043192A (en) 1988-03-15 1991-08-27 North Dakota State University Polymeric vehicle for coating
US5112890A (en) 1987-09-21 1992-05-12 Ciba-Geigy Corporation Stabilization of acid catalyzed thermoset resins
EP0327490A1 (de) 1988-02-05 1989-08-09 Schering Aktiengesellschaft Ultraschallkontrastmittel, Verfahren zu deren Herstellung und deren Verwendung als Diagnostika und Therapeutika
US5068140A (en) 1989-08-02 1991-11-26 Xerox Corporation Transparencies
US5202205A (en) 1990-06-27 1993-04-13 Xerox Corporation Transparencies comprising metal halide or urea antistatic layer
US6495656B1 (en) 1990-11-30 2002-12-17 Eastman Chemical Company Copolyesters and fibrous materials formed therefrom
ES2278424T3 (es) 1990-11-30 2007-08-01 Novamont S.P.A. Copoliesteres alifatico-aromaticos.
DE69229261T2 (de) 1991-09-27 1999-11-04 Terumo K.K., Tokio/Tokyo Flexibles teil zur medizinischen verwendung
DE69321247T2 (de) 1992-10-30 1999-02-25 Lord Corp., Cary, N.C. Magnetorheologische thixotrope materialien
GB9310712D0 (en) * 1993-05-24 1993-07-07 Zeneca Ltd Polymer composition
GB9406094D0 (en) 1994-03-28 1994-05-18 Univ Nottingham And University Polymer microspheres and a method of production thereof
DE4440858A1 (de) 1994-11-15 1996-05-23 Basf Ag Biologisch abbaubare Polymere, Verfahren zu deren Herstellung sowie deren Verwendung zur Herstellung bioabbaubarer Formkörper
ATE242295T1 (de) 1995-04-07 2003-06-15 Biotec Biolog Naturverpack Biologisch abbaubare polymermischung
US5750605A (en) 1995-08-31 1998-05-12 National Starch And Chemical Investment Holding Corporation Hot melt adhesives based on sulfonated polyesters
US5608031A (en) 1995-11-30 1997-03-04 Eastman Chemical Company Polyesters modified with 1,4-cyclohexaned imethanol having high clarity prepared utilizing an antimony containing catalyst/stabilizer system
US5800897A (en) 1996-01-25 1998-09-01 Eastman Chemical Company Air freshener composition containing a fiber pad
US20040106985A1 (en) 1996-04-26 2004-06-03 Jang G. David Intravascular stent
DE19624641A1 (de) 1996-06-20 1998-01-08 Biotec Biolog Naturverpack Biologisch abbaubarer Werkstoff, bestehend im wesentlichen aus oder auf Basis thermoplastischer Stärke
US5952088A (en) 1996-12-31 1999-09-14 Kimberly-Clark Worldwide, Inc. Multicomponent fiber
WO1998048028A1 (en) 1997-04-21 1998-10-29 Monsanto Company Hydroxy-terminated polyhydroxyalkanoates
US6191203B1 (en) * 1997-10-31 2001-02-20 Monsanto Company Polymer blends containing polyhydroxyalkanoates and compositions with good retention of elongation
DE69819040T2 (de) 1997-12-01 2004-05-19 Ministèro dell' Universita' e della Ricerca Scientifica e Tecnologica Verfahren zur erhöhung des molekulargewichts von polyesterharzen
US6110849A (en) 1997-12-19 2000-08-29 Kimberly-Clark Worlwide, Inc. Thermoplastic composition including polyethylene oxide
US6135987A (en) 1997-12-22 2000-10-24 Kimberly-Clark Worldwide, Inc. Synthetic fiber
US6071450A (en) 1997-12-31 2000-06-06 Kimberly-Clark Worldwide, Inc. Method for making water degradable polymer microlayer film
US5985952A (en) 1998-03-23 1999-11-16 Alvin C. Levy & Associates, Inc. Radiation curable primary coating composition for an optical fiber
US5973038A (en) 1998-05-13 1999-10-26 Eastman Chemical Company Thermoplastic polymer compositions containing black dye compositions
CZ20013782A3 (en) 1999-04-21 2002-09-11 Ppg Ind Lacke Gmbh Polymer
PT1173491E (pt) 1999-04-21 2004-04-30 Ppg Ind Lacke Gmbh Polimeros
US6479467B1 (en) 1999-12-16 2002-11-12 Eastman Chemical Company Cyclodextrin ethers
US6192892B1 (en) 2000-01-21 2001-02-27 Renee Resler System and method for applying color to a nail
US20020004578A1 (en) 2000-04-14 2002-01-10 Shelby Marcus David Polyester compositions containing polar chain terminatos
JP2004506773A (ja) 2000-08-11 2004-03-04 ビオ−テック　ビオロギッシェ　ナトゥーアフェアパックンゲン　ゲゼルシャフト　ミット　ベシュレンクテル　ハフツング　　ウント　コンパニー　コマンディートゲゼルシャフト 生分解可能なポリマーブレンド
US6767972B1 (en) 2000-09-15 2004-07-27 Eastman Chemical Company Methods for slowing the degradation rate of biodegradable polymers and biodegradable polymer compositions and compositions thereof
US7766956B2 (en) 2000-09-22 2010-08-03 Boston Scientific Scimed, Inc. Intravascular stent and assembly
DE60129578T2 (de) 2000-10-31 2008-04-03 Med Institute, Inc., West Lafayette Beschichtete, implantierbare medizinische geräte
DE10059584A1 (de) 2000-11-30 2002-06-06 Beiersdorf Ag Kosmetische oder dermatologische getränkte Tücher
US6906164B2 (en) 2000-12-07 2005-06-14 Eastman Chemical Company Polyester process using a pipe reactor
US6706674B2 (en) 2001-01-17 2004-03-16 The Andrew Jergens Company Nonaqueous hair styling composition and method of use
ITTO20010059A1 (it) 2001-01-25 2002-07-25 Novamont Spa Miscele ternarie di poliesteri alifatici biodegradabili e prodotti daqueste ottenuti.
ITTO20010060A1 (it) 2001-01-25 2002-07-25 Novamont Spa Miscele ternartie di poliesteri alifatici biodegradabili e prodotti da queste ottenuti.
NL1017460C2 (nl) 2001-02-28 2002-09-03 Sluis Cigar Machinery B V V D Kweekmedium.
US7297394B2 (en) 2002-03-01 2007-11-20 Bio-Tec Biologische Naturverpackungen Gmbh & Co. Kg Biodegradable films and sheets suitable for use as coatings, wraps and packaging materials
US7241832B2 (en) 2002-03-01 2007-07-10 bio-tec Biologische Naturverpackungen GmbH & Co., KG Biodegradable polymer blends for use in making films, sheets and other articles of manufacture
US6844390B2 (en) 2001-04-09 2005-01-18 Eastman Chemical Company Modified alkyd compositions comprising polyol latex compositions and processes of making them
US6699931B2 (en) 2001-04-09 2004-03-02 Eastman Chemical Company Modified alkyd compositions comprising diol latex compositions and processes of making the same
US6703115B2 (en) 2001-05-01 2004-03-09 Eastman Chemical Company Multilayer films
US20020168518A1 (en) 2001-05-10 2002-11-14 The Procter & Gamble Company Fibers comprising starch and polymers
US6743506B2 (en) 2001-05-10 2004-06-01 The Procter & Gamble Company High elongation splittable multicomponent fibers comprising starch and polymers
US20030077444A1 (en) 2001-05-10 2003-04-24 The Procter & Gamble Company Multicomponent fibers comprising starch and polymers
US6783854B2 (en) 2001-05-10 2004-08-31 The Procter & Gamble Company Bicomponent fibers comprising a thermoplastic polymer surrounding a starch rich core
US6623854B2 (en) 2001-05-10 2003-09-23 The Procter & Gamble Company High elongation multicomponent fibers comprising starch and polymers
WO2002094948A1 (en) 2001-05-22 2002-11-28 Ucb, S.A. Thermosetting acryl powder coating
CA2462723C (en) 2001-10-15 2012-05-01 Hemoteq Gmbh Coated stents for preventing restenosis
US20030082148A1 (en) 2001-10-31 2003-05-01 Florian Ludwig Methods and device compositions for the recruitment of cells to blood contacting surfaces in vivo
US7488313B2 (en) 2001-11-29 2009-02-10 Boston Scientific Scimed, Inc. Mechanical apparatus and method for dilating and delivering a therapeutic agent to a site of treatment
US6727314B2 (en) 2001-12-13 2004-04-27 Basf Ag Crosslinking systems for acrylic latex films
FR2834227A1 (fr) 2001-12-27 2003-07-04 Chiralsep Sarl Materiaux supports optiquement actifs, leur procede de preparation et leurs utilisations
EP1473324A4 (de) 2002-02-05 2005-07-06 Mitsui Chemicals Inc Biologisch abbaubare harzzusammensetzung und formkörper daraus
DE10206924B4 (de) 2002-02-19 2005-12-15 Papierfabrik Schoeller & Hoesch Gmbh & Co. Kg Heisssiegelfähige Filtermaterialien
DE10206926B4 (de) 2002-02-19 2005-12-15 Papierfabrik Schoeller & Hoesch Gmbh & Co. Kg Heisssiegelfähige Filtermaterialien
US6818420B2 (en) 2002-02-27 2004-11-16 Biosource International, Inc. Methods of using FET labeled oligonucleotides that include a 3′-5′ exonuclease resistant quencher domain and compositions for practicing the same
JP3421769B1 (ja) 2002-04-02 2003-06-30 大八化学工業株式会社 エステル化合物、生分解性脂肪族系ポリエステル樹脂用可塑剤及び生分解性樹脂組成物
ITMI20020866A1 (it) 2002-04-22 2003-10-22 Novamont Spa Copoliesteri termoplastici saturi/insaturi biodegradabili
US6926745B2 (en) 2002-05-17 2005-08-09 The Clorox Company Hydroscopic polymer gel films for easier cleaning
US6818723B2 (en) 2002-06-12 2004-11-16 Xerox Corporation Sulfonated polyester-siloxane resin
EP2324866B1 (de) 2002-07-12 2014-06-18 Cook Medical Technologies LLC Angioplastie-Ballons beschichtet mit Pharmazeutika in expandierter Form
JP4027297B2 (ja) 2002-10-24 2007-12-26 キヤノン株式会社 新規なポリヒドロキシアルカノエート及びその製造方法；それを含む樹脂組成物；新規なポリヒドロキシアルカノエートを含有する荷電制御剤、静電荷像現像トナー及びバインダー樹脂組成物
US6830810B2 (en) 2002-11-14 2004-12-14 The Procter & Gamble Company Compositions and processes for reducing water solubility of a starch component in a multicomponent fiber
DE10258227A1 (de) 2002-12-09 2004-07-15 Biop Biopolymer Technologies Ag Biologisch abbaubare Mehrschichtfolie
US7083697B2 (en) 2002-12-30 2006-08-01 Boston Scientific Scimed, Inc. Porous spun polymeric structures and method of making same
US7052580B2 (en) 2003-02-06 2006-05-30 The Procter & Gamble Company Unitary fibrous structure comprising cellulosic and synthetic fibers
EP1596831A2 (de) 2003-02-11 2005-11-23 Venture Management Alliance, LLC Materialverkapselungssystem
ATE377060T1 (de) * 2003-02-21 2007-11-15 Metabolix Inc Pha-klebstoffe
US7781539B2 (en) 2003-02-21 2010-08-24 Metabolix Inc. PHA blends
US7314480B2 (en) 2003-02-27 2008-01-01 Boston Scientific Scimed, Inc. Rotating balloon expandable sheath bifurcation delivery
EP1626752A2 (de) 2003-05-16 2006-02-22 Blue Membranes GmbH Biokompatibel beschichtete medizinische implantate
ES2376237T3 (es) 2003-05-21 2012-03-12 Z Corporation Sistema de material en polvo termopl�?stico para modelos de apariencia a partir de sistemas de impresión en 3d.
US6984426B2 (en) 2003-06-02 2006-01-10 Cortec Corporation Biodegradable bag
US7172814B2 (en) 2003-06-03 2007-02-06 Bio-Tec Biologische Naturverpackungen Gmbh & Co Fibrous sheets coated or impregnated with biodegradable polymers or polymers blends
AU2003233838A1 (en) 2003-06-04 2005-01-04 Inion Ltd Biodegradable implant and method for manufacturing one
US7186789B2 (en) 2003-06-11 2007-03-06 Advanced Cardiovascular Systems, Inc. Bioabsorbable, biobeneficial polyester polymers for use in drug eluting stent coatings
US7144632B2 (en) 2003-06-11 2006-12-05 E. I. Du Pont De Nemours And Company Aliphatic-aromatic polyetherester compositions, articles, films, coating and laminates and processes for producing same
US7220815B2 (en) 2003-07-31 2007-05-22 E.I. Du Pont De Nemours And Company Sulfonated aliphatic-aromatic copolyesters and shaped articles produced therefrom
US6880320B2 (en) 2003-07-31 2005-04-19 Prisma Fibers, Inc. Color effect yarn and process for the manufacture thereof
US20050043786A1 (en) 2003-08-18 2005-02-24 Medtronic Ave, Inc. Methods and apparatus for treatment of aneurysmal tissue
GB0320268D0 (en) 2003-08-29 2003-10-01 Univ Strathclyde Microparticles
US7879102B2 (en) 2003-09-30 2011-02-01 Depuy Acromed, Inc. Method for treatment of defects in the intervertebral disc
FR2862310B1 (fr) 2003-11-17 2008-04-25 Roquette Freres Utilisation d'une dispersion aqueuse d'au moins un polymere biodegradable contenant au moins un agent stabilisant pour la preparation d'une composition filmogene aqueuse
US20050137304A1 (en) 2003-12-18 2005-06-23 Strand Marc A. Process for calendering of polyesters
US7354653B2 (en) 2003-12-18 2008-04-08 Eastman Chemical Company High clarity films with improved thermal properties
US7241838B2 (en) 2003-12-19 2007-07-10 Eastman Chemical Company Blends of aliphatic-aromatic copolyesters with ethylene-vinyl acetate copolymers
US7368503B2 (en) 2003-12-22 2008-05-06 Eastman Chemical Company Compatibilized blends of biodegradable polymers with improved rheology
US7368511B2 (en) 2003-12-22 2008-05-06 Eastman Chemical Company Polymer blends with improved rheology and improved unnotched impact strength
US7160977B2 (en) 2003-12-22 2007-01-09 Eastman Chemical Company Polymer blends with improved notched impact strength
CA2550009C (en) * 2003-12-30 2013-05-14 Metabolix, Inc. Nucleating agents
US7402170B2 (en) 2003-12-30 2008-07-22 Scimed Life Systems, Inc. Crimp and weld wire connection
US7284401B2 (en) 2004-01-12 2007-10-23 Boston Scientific Scimed, Inc. Stent reducing system and device
US7922753B2 (en) 2004-01-13 2011-04-12 Boston Scientific Scimed, Inc. Bifurcated stent delivery system
US8012192B2 (en) 2004-02-18 2011-09-06 Boston Scientific Scimed, Inc. Multi-stent delivery system
US7225518B2 (en) 2004-02-23 2007-06-05 Boston Scientific Scimed, Inc. Apparatus for crimping a stent assembly
US7744619B2 (en) 2004-02-24 2010-06-29 Boston Scientific Scimed, Inc. Rotatable catheter assembly
US20050209374A1 (en) 2004-03-19 2005-09-22 Matosky Andrew J Anaerobically biodegradable polyesters
ES2357243T3 (es) 2004-05-21 2011-04-20 Micro Therapeutics, Inc. Espirales metálicas entrelazadas con polímeros o fibras biológicos o biodegradables o sintéticos para la embolización de una cavidad corporal.
DK1602600T3 (da) 2004-06-03 2020-01-27 Novamont Spa Ventileret system til opsamling af organisk affald
US20060036012A1 (en) 2004-08-10 2006-02-16 Hayes Richard A Process for producing a wollastonite containing polyester and products and articles produced therefrom
US20060032633A1 (en) 2004-08-10 2006-02-16 Nguyen Philip D Methods and compositions for carrier fluids comprising water-absorbent fibers
US20060073346A1 (en) 2004-10-04 2006-04-06 Super Michael S Polyester-polyurethane composites
US20060159918A1 (en) 2004-12-22 2006-07-20 Fiber Innovation Technology, Inc. Biodegradable fibers exhibiting storage-stable tenacity
BRPI0519835B1 (pt) 2005-01-12 2016-12-20 Basf Ag mistura de poliéster biodegradável, processo para a preparação de misturas de poliéster biodegradáveis, mistura padrão de agente ramificador, uso da mistura de poliéster biodegradável, e, peças moldadas, folhas, ou fibras
US8148439B2 (en) 2005-03-25 2012-04-03 Meredian, Inc. Foamed thermoplastic resin particles and method of producing the foamed particles
WO2006104013A1 (ja) 2005-03-25 2006-10-05 Mitsubishi Plastics, Inc. ポリ乳酸系カード基材およびカード
US7989524B2 (en) 2005-07-19 2011-08-02 The United States Of America, As Represented By The Secretary Of Agriculture Fiber-reinforced starch-based compositions and methods of manufacture and use
US20070021515A1 (en) 2005-07-19 2007-01-25 United States (as represented by the Secretary of Agriculture) Expandable starch-based beads and method of manufacturing molded articles therefrom
US7619025B2 (en) 2005-08-12 2009-11-17 Board Of Trustees Of Michigan State University Biodegradable polymeric nanocomposite compositions particularly for packaging
CN101227941B (zh) 2005-09-28 2011-05-18 泰尔茂株式会社 合成树脂制针及针用合成树脂组合物
US8435354B2 (en) 2005-10-11 2013-05-07 The Procter & Gamble Company Water stable compositions and articles comprising starch and methods of making the same
BRPI0600683A (pt) 2006-02-24 2007-11-20 Phb Ind Sa composição polimérica ambientalmente degradável e seu processo de obtenção
BRPI0600685A (pt) 2006-02-24 2007-11-20 Phb Ind Sa blenda polimérica ambientalmente degradável e seu processo de obtenção
WO2007143209A2 (en) 2006-06-02 2007-12-13 University Of Virginia Patent Foundation Luminescent diketonate polymers
US20100089289A1 (en) 2006-10-09 2010-04-15 Polyone Corporation Liquid color or additive concentrate using bio-derived oils
MX2009006045A (es) 2006-12-14 2009-06-17 Pactiv Corp Espumas expandidas y extruidas biodegradables y de emision reducida hechas con agentes de soplado basados en formiato de metilo.
US7683117B2 (en) 2007-02-02 2010-03-23 Fuji Xerox Co., Ltd. Resin composition, resin mold and method for producing the same
US20100041835A1 (en) 2007-03-01 2010-02-18 BASF SE Patents, Trademarks and Lincense Polyester mixture comprising biodiesel
US8513144B2 (en) 2007-06-15 2013-08-20 Honeywell International Inc Property films from renewable polymers
US20080315453A1 (en) 2007-06-22 2008-12-25 Michael Joseph Molitor Process for the production of polyester nanocomposites
US7902128B2 (en) 2008-04-29 2011-03-08 Halliburton Energy Services Inc. Water-in-oil emulsions with hydrogel droplets background
US8178274B2 (en) 2008-07-21 2012-05-15 Xerox Corporation Toner process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024152225A1 (en) * 2023-01-18 2024-07-25 Tsinghua University Biodegradable films comprising polyhydroxyalkanoates

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ES2817544T3 (es) 2021-04-07
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WO2009137058A1 (en) 2009-11-12
US8822584B2 (en) 2014-09-02
US20110189414A1 (en) 2011-08-04
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BRPI0912578A2 (pt) 2015-10-13
CA2722940A1 (en) 2009-11-12

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